The first trailer for “Dasara,” headlined by Telugu cinema star Nani, has been released. The film marks the directorial debut of Srikanth Odela, who previously assisted on hits “Nannaku Prematho” (2016), starring NTR Jr, and “Rangasthalam” (2018), starring Ram Charan. “Dasara” tells the tale of socio economic conditions, political ambitions…