Recently, linking of which of the following rivers was undertaken?

Regarding DigiLocker', sometimes seen in the news, which of the following statements is/are correct?

1 It is a digital locker system offered by the Government under Digital India Programme.
2. It allows you to access your e-documents irrespective of your physical location.

Select the correct answer using the code given below.

Which of the following is/are the advantage /advantages of practising drip irrigation?

1. Reduction in weed
2. Reduction in soil salinity
3. Reduction in soil erosion

Select the correct answer using the code given below.

'European Stability Mechanism', sometimes seen in the news, is an

Consider the following statements:

(1) The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015.
(2) The Alliance includes all the member countries of the United Nations.

Which of the statements given above is/are correct?

In the context of the history of India, consider the following pairs:

 Term                     Description

(1) Eripatti      :    Land, revenue from which was set apart for the main¬tenance of the village tank
(2) Taniyurs    :    Villages donated to a single Brahmin or a group of Brahmins
(3) Ghatikas    :    Colleges generally attached to the temples

Which of the pairs given above is/are correctly matched?