(From left) Perarivalan,Murugan and Santhan
President Pratibha Patil's decision to reject the mercy petitions of three convicts, Murugan, Santhan and Perarivalan, involved in the Rajiv Gandhi assassination case, has triggered a series of protests in Tamil Nadu. MDMK's Vaiko and Tamil nationalists belonging to various groups are demanding that their death sentences be immediately scrapped.