Terrorist Abu Salem and Mustafa Dossa, key accused in the 1993 Mumbai blasts case that killed 257 people and left 713 seriously injured, have been found guilty of conspiracy and terror activities by a special court. The convictions came as part of a judgement today in the second leg of the trial in the serial blasts case involving seven accused by a special Terrorist and Disruptive Activities (Prevention) Act or TADA court in Mumbai. The sentences will be declared on Monday.