• Born at Begusarai (India) on 13 June 1942
  
  
• 1963 B.Sc. in Engineering Telecommunications, Bihar Institute of Technology, Sindri
  
  
• 1966 M.E. in Electrical Communication Engg, Indian Institute of Science, Bangalore
  
  
• 1977 Ph.D. in Electronics and Electrical Communication Engineering, Indian Institute of Technology, Kharagpur
  
  
• 1981 Full Professor, Indian Institute of Technology, Kharagpur

Scientific papers on:

• Spread Spectrum Communications
  
  
• Error Control Coding
  
  
• Satellite, Optical and Wireless Mobile Communications and Networks
  
  
• Telecommunication and Computer Switching and Networks