Bengaluru:  Kannada writer and poet Sumatheendra Nadig (86), one of the proponents of the Navya (modernist) literature movement, passed away in Bengaluru yesterday. Nadig was ailing and was admitted to a hospital late last week. His body was kept for public viewing at his Puttenahalli home. The poet was born in Chikkamagaluru to Raghavendra and…