For the following questions answer them individually
Who was the first Indian to conquer the English Channel from Dover to Calais in 1958, and also the only man to swim the oceans of the five continents in one calendar year in 1966?
Who commissioned India's first indigenous aircraft carrier INS Vikrant in Kochi in September 2022?
Which latitude line passes through the middle of India influencing the climate of the country?
Who has been appointed as the “State Brand Ambassador” of Uttarakhand government in August 2022?