AMRITSAR, Oct. 18 -- All-India Anti-Terrorist Front (AIATF) chairman Maninderjit Singh Bitta on Saturday called for an inquiry into the withdrawal of security from Shaurya Chakra awardee Balwinder Singh Sandhu, 60. Sandhu was shot dead by unidentified persons at his residence in Bhikhiwind village of Tarn Taran district on Friday morning....