• Born in Visakhapatnam (India) on 7 July 1948
  
  
• 1968 B.Sc., Calcutta University
  
  
• 1970 M.Sc., Calcutta University
  
  
• 1978 Ph.D., Calcutta University
  
  
• 1985 Director General, B.M. Birla Science Centre, Hyderabad
  

Scientific papers on:

• Mathematics
  
  
• Physics
  
  
• Astronomy