It also said as per intercepted telephonic conversations, Akhtar was in touch with Mohd Atif Ameen and according to the forensic reports, Akhtar's voice sample had matched with it.
Yasin Bhatkal and Asadullah Akhtar were arrested by the National Investigation Agency (NIA) from Indo-Nepal border on the night of August 28, last year.
The special cell had yesterday informed the court here in a separate case that they are interrogating some of the top arrested IM operatives, including Tehsin Akhtar and Waqas, to know about the whereabouts of Riyal Bhatkal.
It had also apprised the court that on the basis of their interrogation, it is pursuing Riyaz and others.
13 suspected members of IM are facing trial in the cases of September 2008 Delhi serial blasts that had claimed 26 lives and left 135 people injured.
Five cases were lodged in connection with the blasts at Gaffar Market in Karol Bagh, Barakhamba Road in Connaught Place, M-Block Market in Greater Kailash and recovery of a bomb near India Gate.
All the five cases were clubbed by the trial court for the purpose of framing of charges and trial, saying, "They arise from the series of the same transaction."
The 13 accused facing trial in the case are Mohd Shakeel, Mohd Saif, Zeeshan Ahmed, Zia-ur-Rehman, Saquib Nisar, Mohd Sadique, Kayamuddin Kapadia, Mohd Hakim, Mohd Mansoor Ashgar Peerbhoy, Mubin Kadar Sheikh, Asif Bashiruddin, Mohd Akbar Ismail Chaudhary and Shahzad Ahmed.
Their trial is going on and over 200 prosecution witnesses have been examined till date.
