BY A STAFF REPORTER: PM Modi addresses nation through the mann ki baat programme. Sunday he pays tribute to IAF chopper crash victim Group Captain Varun Singh. He also said that, 'India is fighting Covid-19 thanks to the spirited effort by our jan shakti. This year india has achieved a milestone in vaccine coverage. It is our effort which could make fighting against the pandemic possible.' PM also added that, 'Like every year, we will have Pariksha Pe Charcha early next year.'