Who invented the Locomotive Engine?

The size of the earth in the sequence of planets:

For which invention is Otto Hahn famous?

Capital of Egypt is?

Non Resident Indians (NRI) Day is marked on:

Which country's constitution is the world's longest?

The power to grant pardon or suspend or remit the sentence of any convicted person is vested in the-

Rajya Sabha member has tenure of ______ years.