Setalvad's detention in Mumbai and Sreekumar's arrest in Ahmedabad came a day after Supreme Court dismissed a petition challenging the SIT clean chit to then Gujarat CM Narendra Modi in the 2002 riots case.Setalvad's detention in Mumbai and Sreekumar's arrest in Ahmedabad came a day after Supreme Court dismissed a petition challenging the SIT clean chit to then Gujarat CM Narendra Modi in the 2002 riots case.