Prakash Jha to direct mathematician Vashishtha Narayan's biopicJaideep PandeyJuly 28, 2018April 19, 2020 by Jaideep PandeyJuly 28, 2018April 19, 20200 The biopic on the life of eminent mathematician of Bihar, Dr Vashishtha Narayan Singh is all set to go on the floor. Popular director Prakash Jha...