In Varanasi, pressure cookers were used to store the explosives while in this case there were wooden cartons filled with ball bearings that have caused maximum injury.
Clearly, this strengthens the assessment that this is the handiwork of the Harkat-ul-Jehadi Islami (Bangladesh) with the help of some Pak-based groups and local contacts. HUJI was also behind the Varanasi blasts and it figures in the chargesheet.