IAF chief RKS Bhadauria commends air warriors for quick response in Ladakh standoff against China; Rafale jets are the highlight on Indian Air Force Day 2020; Mamata Banerjee govt denies permission for BJP's Secretariat protest march; Tejasvi Surya arrives in West Bengal; Sharp spike in farm fires as farmers burn stubble again; Kamala Harris-Mike Pence clash in Vice Presidential debate & other news #IndianAirForceDay2020 #WestBengal #NabannoCholo