Kolkata (West Bengal) [India], August 13 (ANI): Four junior doctors are among those summoned by Kolkata police for questioning on Tuesday in connection with the murder and alleged sexual assault case of a second year postgraduate student at a government-run hospital in the city last week. The juinior doctors of the RG Kar Medical College in the city have been summoned today at the Kolkata police headquarters in Lalbazar. The doctors who had dinner with the deceased are not accused but have been summoned for questioning accordging to police sources. “Four junior doctors who had dinner with her …