Senior ISRO Scientist Says He Was Poisoned 3 Years Ago Tapan Misra, the ISRO scientist, claimed he later suffered from health issues including severe breathing difficulty, unusual skin eruptions, skin shedding and fungal infections. PTI 06 January 2021 Facebook outlookindia.com 2021-01-06T10:17:09+05:30 A top ISRO scientist on Tuesday claimed he was poisoned more than three years ago. Tapan Misra alleged he was poisoned with deadly arsenic trioxide on May 23, 2017, during a promotion interview at ISRO headquarters here. "Fatal dose was probably mixed" with chutney along with Dosa, in snacks after lunch, he said. Misra is presently working as Senior Advisor at ISRO and is superannuating at the end of this month.