Kehar Singh
Kehar Singh (Punjabi: ਕੇਹਰ ਸਿੰਘ, Kehar Singh) was an Assistant (the name of the post later termed as Assistant Section Officer) in the  erstwhile Directorate General of Supply and Disposal, New  Delhi, and was tried and executed for conspiracy in the plot of the Indira Gandhi assassination, carried out by Satwant Singh and Beant Singh. He was hanged in Tihar Jail on 6 January 1989. Beant Singh was the nephew of Kehar Singh. The assassination was motivated by Operation Blue Star.