New Delhi, Sept. 15 -- The National Investigation Agency (NIA) has filed a charge sheet against three suspects in the March 15 grenade attack on Thakur Dwara temple in Amritsar. Two motorcycle-borne masked men - Gursidak Singh and Vishal Gill - had allegedly carried out the attack on the temple on Sher Shah Suri Road in the Khandwala area on March 15, and it is suspected that KLF operatives were behind the attack, police said. P4...