India, Oct. 12 -- The tragic circumstances surrounding the suicide of senior Haryana IPS officer Y Puran Kumar have underlined that allegations of caste discrimination continue to permeate the highest echelons of the Indian officialdom and must be thoroughly probed. Kumar, 52, a 2001-batch Indian Police Service (IPS) officer, shot himself dead at his residence in Chandigarh Sector 11 on October 7, at a time when his wife, senior bureaucrat Amneet P Kumar, was part of a delegation led by Haryana chief minister Nayab Singh Saini. An eight-page letter written by Kumar has blamed senior officers, including the director general of police in Haryana and the Rohtak superintendent of police (SP), of "blatant caste-based discrimination, targeted m...