Sridhar's

• July 2003 - till date: Independent Researcher
• January 1986 - June 2003: Principal Scientist, Plant Pathology, Central Rice Research Institute, Cuttack, India.
• July 1982 - December 1985: Scientist (S-3), Plant Pathology, Central Rice Research Institute, Cuttack, India.
• July 1976 - June 1982: Scientist (S-2), Plant Pathology, Central Rice Research Institute, Cuttack, India.
• August 1975 - June 1976: Scientist (S-1), Plant Pathology, Central Rice Research Institute, Cuttack, India.
• January 1973 - August 1975: Pool Officer (CSIR), Plant Pathology Department, Central Rice Research Institute, Cuttack, India.
• June 1970 - July 1972: Post-doctoral Fellow, Plant Pathology Department, International Rice Research Institute, The Philippines.
• September 1965 - April 1966: Demonstrator, Agricultural Chemistry Department, Annamalai University, India.
• June 1966 - May 1969: Doctoral Fellow, Agricultural Microbiology Department, Annamalai University, India.