Which bank has recently launched contactless mobile phone payments facility?

Sprinter Dutee Chand who won the Vogue award for Sportsperson of the Year 2019, belongs to which state?

Col. Chewang Rinchen Setu Bridge was inaugurated in which place?

In which state is the highest waterfall 'Jog' of India located?

The amount of ordinary salt present in ocean water is

The thickness of the Troposphere increases