Dec 11, 2021 A wreath laying ceremony was organized at the Hut of Remembrance at National Defence Academy on 11 December 2021 in memory of General Bipin Rawat, PVSM, UYSM, AVSM, YSM, SM, ADC, Chief of Defence Staff, Brigadier Lakhbinder Singh Lidder, SM, VSM and Wing Commander Prithvi Singh Chauhan, who lost their lives during a helicopter crash in Coonoor district of Tamil Nadu on 08 December 2021.