Senior BJP leaders praised PM Modi's efforts for administering over 100-crore COVID-19 vaccine doses at the party national executive meeting in Delhi; Taj Mahal disappeared in thick veil of smog even as toxic air blanketed Delhi and its neighbouring cities for third straight day; The Punjab government announced a decrease in petrol and diesel prices by Rs 10 and Rs 5 respectively ahead of assembly elections in the state in 2022. The move will cost the state exchequer Rs 1000 crore annually and other top stories.