In 2013, Sankalp Reddy, then a young assistant director in the Telugu film industry, visited INS Kursura in Visakhapatnam. The Kalvari-class diesel-electric attack submarine of the Indian Navy had been converted into South Asia’s first submarine museum after its decommissioning. Among the many stories he heard there was one about the mysterious sinking of PNS Ghazi, Pakistan Navy’s first fast-attack submarine, near India’s eastern coast during the 1971 Indo-Pak war.
PNS Ghazi, the story goes, had sailed out of the Karachi harbour on November 14, 1971, supposedly to Chittagong in East Pakistan (now Bangladesh). However, its real mission, it is