Kanpur, March 19 -- A 58-year-old tea vendor in Etawah district died of a cardiac arrest late on Tuesday night after receiving an electricity bill of Rs 1.60 lakh on his mobile phone, triggering a protest by his family at the local power substation. Shivpal Singh Kashyap, a resident of Mahavir Nagar in Bharathana town, sold tea from a handcart to support his family. According to his son Satyam Singh, 30, a smart meter had been installed at their home roughly three months ago, after which the bills rose sharply - Rs 20,000 in the first month and Rs 60,000 in the second. The third bill, amounting to Rs 1.60 lakh, arrived as a text message at around 11 pm on March 17. Kashyap collapsed shortly after and was pronounced dead at the scene. Satyam said his father had repeatedly approached the electricity department over the previous two months seeking a correction, but was sent back and forth between the Etawah and Bharathana offices without resolution. The family carried the body to the Bharathana power subdivision office and staged a demonstration, demanding action against those responsible. The protest lasted nearly three hours before a tehsildar, a station house officer and departmental officials persuaded the family to stand down. The body was taken for last rites without a post-mortem.Subdivision officer (SDO) Dilip Kumar said the complaint regarding the inflated bills and allegations against department staff were under investigation. He added that the family had been given financial assistance of Rs 20,000....