OPINION OF THE COURT
On October 2, 1972, Thomas LaSane plead guilty to murder generally in the Court of Common Pleas of Philadelphia and the Commonwealth certified the degree of guilt rose no higher than murder of the second degree. The trial court accepted the plea, found LaSane guilty of murder of the second degree, and imposed a sentence of not less than seven nor more than twenty years imprisonment. No post-verdict *632motions were filed and no appeal from the judgment of sentence was entered. On April 23, 1975, LaSane filed a petition for relief under the Post Conviction Hearing Act, Act of January 25, 1966, P.L. (1965) 1580, § 1 et seq., 19 P.S. § 1180-1 et seq. (Supp.1977-78) [Hereinafter: PCHA]. Counsel was appointed to assist him. Following a hearing, relief was denied. This appeal is from that order.
LaSane claims the post-conviction hearing court erred in denying relief for the following reasons:
1) his guilty plea was ineffective because the record does not show the plea was knowing, intelligent, and voluntary;
2) he was denied effective assistance of counsel; and,
3) he was denied his constitutional right to a speedy trial.
Additionally, in a “Reply Brief,” LaSane states in pertinent part:
“[the record shows he was] confused and bewildered by the entire guilty plea process [and was p]ressured by his family, inadequately represented by his attorneys, and unclear as to precisely what was taking place, [and thus] did not knowingly and voluntarily enter a guilty plea, [and i]f these arguments are accepted, they clearly demonstrate that LaSane did not knowingly and understanding^ waive his right to appeal from his conviction.”
To be eligible for relief under the PCHA, a petitioner must prove, inter alia:
“That the error resulting in his conviction and sentence has not been . . . waived.”
Section 3(d) of the PCHA, 19 P.S. § 1180-3(d) (Supp.1977-78).
Furthermore, Section 4(b) of the PCHA, 19 P.S. § 1180-4(b) (Supp.1977-78), provides:
“For purposes of this act, an issue is waived if:
“(1) The petitioner knowingly and understanding^ failed to raise it and it could have been raised before the trial, at the trial, on appeal, in a habeas corpus proceeding or any other proceeding actually conducted, or in a prior proceeding actually initiated under this act; and
*633“(2) The petitioner is unable to prove the existence of extraordinary circumstances to justify his failure to raise the issue.”
Finally, Section 4(c) of the PCHA, 19 P.S. § 1180-4(c) (Supp.1977-78), provides:
“There is a rebuttable presumption that a failure to appeal a ruling or to raise an issue is a knowing and understanding failure.”
Since the validity of LaSane’s plea was cognizable on direct appeal, Commonwealth v. Greer, 457 Pa. 646, 326 A.2d 338 (1974); Commonwealth v. Hill, 457 Pa. 1, 319 A.2d 886 (1974), the issue was waived and could not be raised in the post-conviction proceeding unless LaSane either rebutted the presumption that the failure to raise the issue on direct appeal was knowing and understanding or alleged and proved the existence of an extraordinary circumstance justifying the failure to raise the issue. LaSane argues the issue of the validity of his plea is not waived because extraordinary circumstances exist to excuse his failure to raise the claim on direct appeal, namely, a deprivation of his appellate rights, see Commonwealth v. Tunnell, 463 Pa. 462, 345 A.2d 611 (1975), and/or ineffective assistance of counsel, see Commonwealth v. Wideman, 453 Pa. 119, 306 A.2d 894 (1973).
Although a deprivation of his appellate rights is now advanced as an extraordinary circumstance, it was not advanced in the post-conviction relief proceedings in the trial court and accordingly we may not now consider it. See Commonwealth v. Moore, 462 Pa. 231, 340 A.2d 447 (1975); Commonwealth v. Agie, 449 Pa. 187, 296 A.2d 741 (1972). Ineffective assistance of counsel was alleged as an extraordinary circumstance justifying the failure to challenge the validity of the plea on direct appeal and has been pursued; thus, we must determine if this allegation has been established as required by Section 4(b)(2) of the PCHA, 19 P.S. § 1180-4(b)(2) (Supp.1977-78), to determine if we should examine the validity of the plea. Furthermore, since La-Sane is represented in these post-conviction proceedings for the first time by counsel other than his counsel at the plea *634proceedings, we will also consider his claim of ineffective counsel, advanced as an independent basis for relief, in his post-conviction hearing petition and here on appeal, as a separate basis for relief. Section 3(c)(6) of the PCHA, 19 P.S. § 1180-3(c)(6) (Supp.1977-78) and Commonwealth v. Mabie, 467 Pa. 464, 359 A.2d 369 (1976). LaSane also had the burden of proving ineffectiveness of counsel as an independent basis for relief. Section 3 of the PCHA, 19 P.S. § 1180-3.
To support his argument that counsel was ineffective, LaSane claims: (1) James Owens, co-counsel at the time the plea was entered, did not adequately prepare before advising him to plead guilty1 in that he did not review the “briefs of counsel and the decision of the court on the suppression application to evaluate the chances of having the denial [order] reversed on appeal”;2 and, (2) Owens failed to file a motion to dismiss the charges because of delay between arrest and trial.3
The hearing court “found as a fact that [LaSane’s] trial counsel ably and vigoriously represented him” and concluded “as a matter of law that [LaSane] was not deprived of his constitutional right to representation by competent and effective counsel.”
As to LaSane’s first claim, the background is this:
Initially, Feingold alone represented LaSane. He filed a motion to suppress an incriminatory statement given by LaSane to police, but the motion was denied. Feingold, despite having experience in the criminal-law area, did not consider himself sufficiently knowledgeable to try a homicide case because of his inexperience with that particular type of charge. Moreover, Feingold felt he was too friendly *635with LaSane’s family to properly handle the case. As a result, Owens was appointed as co-counsel for LaSane four days prior to the date set for trial. In preparing for trial, Owens, inter alia, conferred with Feingold, the chief of the homicide division of the district attorney’s office, and another representative of the district attorney’s office; reviewed the “entire file of the District Attorney’s Office”; reviewed the notes of testimony from the suppression hearing; prepared questions for voir dire; prepared rough notes for an opening statement; interviewed the police officer to whom the incriminating statement was given; outlined the manner in which the “trial would go”; and, conferred with LaSane and a representative of the district attorney’s office about entering a guilty plea.4
Prior to trial, Owens advised LaSane to plead guilty. Owens explained to LaSane “in detail” the consequences of pleading guilty and discussed the matter with members of LaSane’s family. LaSane objected to pleading guilty because he wanted to testify and thereby correct certain portions of the incriminating statement he considered inaccurate. Owens concluded that LaSane’s testimony would be prejudicial to his case and thus advised against such an approach.5
The Commonwealth offered to certify the crime rose no higher than murder of the second degree and to recommend a certain sentence. LaSane objected to the length of the sentence and Owens sought and obtained a reduction in the length of sentence to be recommended. LaSane then agreed to plead guilty.
LaSane does not now advance any legal or factual reason to support a conclusion that his confession was ille*636gaily obtained.6 The assertion that Owens did not consider the possibility of a reversal of the suppression court’s order is contradicted by the evidence. As previously mentioned, Owens did review the notes of testimony from the suppression hearing and conferred with the officer who took La-Sane’s statement.7 Thus, we cannot conclude Owens was ineffective for advising LaSane to plead guilty, rather than go to trial and thereafter appeal the suppression court’s order. First, he did consider that possibility as evidenced by the review of the notes of testimony and the conference with the police officer. Second, there is no apparent legal reason why the suppression court’s order would have been reversed on appeal. Third, the advice given to LaSane had “some reasonable basis designed to effectuate [LaSane’s] interests” [emphasis added], Commonwealth ex rel. Washington v. Maroney, 427 Pa. 599, 604, 235 A.2d 349, 352 (1967), namely, avoiding a possible conviction of murder of the first degree and a more severe sentence.8 Accordingly, LaSane’s first contention is without merit and counsel cannot be deemed ineffective on the basis of LaSane’s first claim.
As to the claim of ineffectiveness for failure to seek a dismissal of the charges on the ground of a violation of the constitutional speedy-trial requirement, LaSane asserts the delay in the commencement of the trial deprived him of the testimony of an alibi witness who died about two months before the date of trial.
As to this, the record is as follows:
Owens testified he did not remember LaSane or anyone else indicating to him that LaSane could have produced an alibi witness. Owens also testified that, if such a witness *637had been mentioned, “something like that would stay in [his] recollection,” but that he did not know if he would have filed a motion to dismiss based on a speedy-trial claim had such a witness existed and died because it would have depended on the totality of the circumstances. Further, Owens testified that, in his opinion, since the delay between arrest and trial was one year, and since he would have had to show the delay was unreasonable and resulted in prejudice to LaSane, he had to recognize that part of the delay was due to the motion to suppress and that a year’s delay was commonplace in 1972. In furtherance of LaSane’s claim that his counsel was ineffective and ill-prepared for trial, Feingold testified that he was told an alibi witness existed; that he spoke with the alibi witness a couple of months after the arrest and received assurance he would be available to testify; that the witness was subsequently killed in a gang-related incident; but, that he did not remember telling Owens such a witness existed. Frederick Banks, LaSane’s stepfather, testified that he spoke with a friend of LaSane named “Tony” who could have provided an alibi; that “Tony” was killed two months prior to the plea being entered; that he informed Feingold of the witness, but, that he did not inform Owens.
While normally the test for determining the effectiveness of counsel is whether a particular course of action chosen by counsel had some reasonable basis designed to effectuate his client’s interests, where it is asserted counsel is ineffective for failing to advance a claim, we do not make inquiry into the reasons for counsel’s failure to do so if the claim is without arguable merit.9 Commonwealth v. Hubbard, 472 Pa. 259, 372 A.2d 687 (1977).
“A speedy trial claim is analyzed in two steps: (1) is the delay itself sufficiently long to trigger the ‘necessity for inquiry into other factors that go into the [balancing test of Barker v. Wingo, 407 U.S. 514, 92 S.Ct. 2182, 33 L.Ed.2d 101 (1972)];’ and (2) a balancing of the length of delay, *638reason for delay, defendant’s assertion of the right and prejudice to the defendant.” [Footnotes omitted.]
Commonwealth v. Reinhart, 466 Pa. 591, 597-98, 353 A.2d 848, 852 (1976).
Instantly, LaSane was arrested on October 19, 1971; he was indicted on December 9, 1971; a motion to suppress was filed on February 7, 1972; a suppression hearing was conducted on March 20-21, 1972; a psychiatric evaluation to determine LaSane’s competency to stand trial and involving a sixty-day institutional commitment was ordered on April 14, 1972, as a result of a psychiatric report dated April 6, 1972; the psychiatric evaluation was completed on June 22, 1972; the motion to suppress was denied September 27, 1972; and, trial was scheduled for October 2, 1972, the day the plea was entered.
Given these facts, we are not persuaded a motion to dismiss would have advanced an arguably meritorious claim of a violation of LaSane’s right to a speedy trial. It is doubtful that a delay of less than one year should have even triggered inquiry of counsel into the other factors. Compare Commonwealth v. Roundtree, 469 Pa. 241, 364 A.2d 1359 (1976) (more than six-year delay). But, even assuming the delay was sufficiently long to warrant consideration of the factors of the balancing test, the claim is still without arguable merit. The delay was not unreasonable in light of the seriousness of the charge because much of the delay was attributable to the filing of the- motion to suppress and LaSane’s .pretrial psychiatric evaluations.10
*639It follows that, since counsel has not been shown to be ineffective, relief was properly denied on this basis. Furthermore, since ineffectiveness of counsel as an extraordinary circumstance was not established by LaSane to excuse his failure to challenge the validity of the guilty plea by way of direct appeal, the plea may not now be examined. Commonwealth v. Tunnell, supra; Commonwealth v. Wideman, supra.
Order affirmed.
LARSEN, J., concurs in the result.
MANDERINO, J., files a dissenting opinion.