“The Gas Station Attendant” (in theaters) is Karla Murthy’s loving, sometimes regretful effort to actually look at her father, H.N. Shantha Murthy. By ALISSA WILKINSON Children spend a great deal of time watching their parents, but it often takes a lifetime to really see them. The new documentary “The Gas Station Attendant” (in theaters) is Karla Murthy’s loving, sometimes regretful effort to actually look at her father, H.N. Shantha Murthy. He left his village in India as a child, eventually…
