Mathematician Vashishtha Narayan Singh passes away in Patna, family alleges denial of ambulance

The great mathematician Vashishtha Narayan Singh passed away in Patna on November 14. He was 74.
His family has alleged that they were denied of ambulance by PMCH. But after hours of wait, the ambulance was provided to them.
Later, Bihar Chief Minister Nitish Kumar visited the hospital and paid tribute to the great mathematician. 
Singh, who worked with the American space agency of NASA, had suffered from schizophrenia 44 years ago which restricted his presence in public life.