New Delhi, May 2 -- At around 5.30pm on Thursday, Treeza Chauhan (36) received a video call from her sister Merina - hair blowing in the wind, smiling, turning the camera to show Treeza the boat she was aboard on Bargi Dam reservoir, 35km from Jabalpur.

"Look how beautiful this is, Treeza. look at the dam, look at the water!"

The next call came at 6.07pm. "She was hysterical. She was shouting, crying that they were drowning. She asked me to pray for them. She kept saying 'save us, save us' and then the call got disconnected. I called back multiple times but no one took my calls... When she called me around 5.30 pm, no one was wearing life jackets, which was shocking for me but I didn't say anything because she looked very happy showing ...