Justice Vipin Sanghi issued notice to Tyagi, who was arrested on December 9 and granted bail on December 26, listed the matter for hearing on January 3 after CBI said the bail pleas of other accused in the case are likely to be heard by the trial court on January 4.
Justice Sanghi said the endeavour of the court would be to dispose of the matter on January 3 after hearing all the parties.
The agency also said its probe was "multi-layered" as it was spread across several countries since various companies were allegedly used to "camouflage the bribe money".
The contention came in response to the high court's query as to why should the 72-year old former Chief of Air Staff be retained in judicial custody at this stage when he was in the custody of the agency for a week prior to getting bail.
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A special court had on December 26 this year granted bail to Tyagi, saying CBI has failed to state the alleged bribe amount and when it was paid.
The trial court had asked Tyagi not to leave the National
Capital Region without its permission and ordered him not to tamper with evidence or try to influence witnesses.
While granting the relief, the trial court also took note of Tyagi's advancing age and his health conditions and said no purpose would be served by keeping him behind bars.
Tyagi, who retired in 2007, his cousin Sanjeev Tyagi and lawyer Gautam Khaitan were arrested on December 9 by CBI in connection with the case which relates to procurement of 12 VVIP choppers from UK-based AgustaWestland during the UPA-2 regime.