Shocking lapses led to two of the worst Indian naval accidents involving submarines in which 20 personnel lost their lives, a report by the Comptroller and Auditor Generalâ??s (CAG) revealed. Russian-built submarine INS Sindhurakshak sank after an explosion killing 18 sailors in August 2013 and two ******rs were killed in a fire on INS Sindhuratna the following year, an accident that led to then navy chief Admiral DK Joshiâ??s ...