Charan Raj on Mango Pachcha’s Hasravva song: I was greatly . . . - OTTplay Hasravva developed from folk song Eechala Mara While the team had released a couple of teasers earlier, promotions have kickstarted with the first single, Hasravva, which came out a few days ago Composer Charan Raj had sung the song, along with Mohan Kumar N, and the response has been overwhelmingly positive