Shimla, Oct. 23 -- Six-time former Chief Minister and Octogenarian Congress leader Virbhadra Singh under went dialysis at Indra Gandhi Medical College Hospital on Wednesday and he was discharged after the diagnosis, a spokesman of former chief minister told UNI. Mr. Singh was taken to Hospital this afternoon where he was undergone dialysis at urinary unit. He was discharged after few hours. He is being taken to IGMC after a gap of one or two days to conduct his dialysis, Viraj Sharma said. Mr Singh was returned to Shimla early this month after taking treatment at PGIMR hospital Chandigarh where he was advised to conduct the dialysis for some times. Mr. Singh was ailing and confined to his home or hospital for last two months as he complain...