1. 14th April, recently announced by the government as a public holiday, marks the birth anniversary of Bhagat Singh Sardar Patel BR Ambedkar Aruna Asaf Ali 2. Which among the following will be the first mission ever to peer deep beneath the Martian surface? Mars Pathfinder Nozomi ExoMars InSights 3. Harmonized System of Nomenclature Code [...]