SAGA-220 is a supercomputer built by the Indian Space Research Organisation (ISRO). As of May 2011, it is the fastest supercomputer in the nation with a maximum theoretical speed of 220 TFlops.
Lord Mountbatten was preceded by C Rajgopalachari. Lord Mountbatten was the last Viceroy of India (1947) and the first Governor-General of the independent Dominion of India (1947-48). He was preceded by C. Rajgopalachari
In automobiles, convex mirror is used as a rear view mirror because the image of the vehicle formed is small in size due to this the field of view is increased and the driver of automobile can see the traffic over large area
Biogas is typically a gas evolved by the biological breakdown of organic wastes in absence of $O_2$ . It is used as biofuel and made up basically of $CH_4$ (50-75%), $CO_2$ (25-50%) $N_2$ (0 -10%), $H_2$ (0-1%), $H_2s$ (0-3%) and $O_2$ (0-1%).
Under the leadership of Gandhiji, the Civil Disobedience Movement was launched in AD 1930. It began with the Dandi March. On 12 March 1930, Gandiji with some of his followers left the Sabarmati Ashram at Ahmedabad and made their way towards Dandi, a village on the west coast of India. Here, Gandhiji protested against the Salt Law (salt was a monopoly of the government and no one was allowed to make salt) by making salt himself and throwing up a challenge to the British government