Pakkiriswamy Chandra Sekharan ( 15 April 1934 – 11 July 2017 ) was an Indian forensic expert , writer and a former director of the Department of Forensics Sciences of the Government of Tamil Nadu . He was best known for his contributions in the investigations in the Rajiv Gandhi assassination case
Rajiv Gandhi assassination
Assassination of Rajiv Gandhi
Pakkiriswamy Chandra Sekharan