Mysuru: The trailer of the film Seetharama Kalyana, in which Nikhil Kumaraswamy, son of Chief Minister H.D. Kumaraswamy has played the lead role, was released at a grand programme held at the torchlight parade grounds at Bannimantap here yesterday. Chief Minister H.D. Kumaraswamy, his mother Channamma, his wife Anitha Kumaraswamy, District Minister G.T. Devegowda, Tourism…