In which sport did India win Silver medal at Rio Olympics 2016?

Who invented the waterproof raincoat?

___________ is a welfare scheme started by the Prime Minister in order to provide LPG connections to domestic households that fall under the below the poverty line category.

__________ refers to the number of births during a given period in the population that are added to the initial density.

The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.

A __________ thread is actually stronger than a steel wire.

_____________ is a collection of data values of same types having a common name.

The distance-time graph for the motion of an object moving with a constant speed is a __________.