It was at noon on December 18 that Tanvi Wakchaure saw her father, Deepchand, for the last time. Deepchand, a 45-year-old plumber, had dropped Tanvi, 17, at college in Govandi, an eastern suburb of Mumbai. He did not tell her…

It was at noon on December 18 that Tanvi Wakchaure saw her father, Deepchand, for the last time. Deepchand, a 45-year-old plumber, had dropped Tanvi, 17, at college in Govandi, an eastern suburb of Mumbai. He did not tell her…