India, Nov. 6 -- Soon after singer Jaan Kumar Sanu announced a song in tribute to late actor Sidharth Shukla and his rumoured girlfriend, actor-singer Shehnaaz Gill, he was trolled for being disrespectful of Shukla's legacy. Responding to the same, Sanu says that he is disheartened with the negative response to his song, Mera Tu....