Explanation: The Rigveda is the oldest and most important text of the Vedic period, consisting of hymns dedicated to various deities.

A rising per Capita Income will indicate a better welfare if it is accompanied by changed Income distribution in favour of Poor.

Trishul is the name of a short range surface to air missile developed by India as a part of the Integrated Guided Missile Development Programme. It has a range of 9 km and is fitted with a 5.5 kg warhead. Trishul flies in supersonic speed and has a low altitude sensitive radio altimeter and height lock loop control on board, to skim over the sea at a very low altitude and hit against sea skimming missiles coming towards our ships.

Koodan-Kulam Nuclear Power Plant (KKNP) is associated with Russia, which is located in Tirunelveli district of Tamil Nadu. KKNP is Indias first pressurised water reactor belonging to the light water category.

Consumption and income are directly or positively  related. An increase in income results in increase in consumption  and vice-versa.

Barak is an Indo-lsraeli Surface to Surface Missile, designed to defend against aircraft, anti-ship missiles and UAVS.

1. Among the following revolutionaries, Surya Sen was known as 'Master Da'.

2. He was an Indian revolutionary who led the Chittagong Armory Raid of 1930.

3. He was a school teacher by profession and was popularly known as Master Da.

4. In 1918, he was elected as the President of the Chittagong branch of the Indian National Congress.