What should come in place of ? in the given series?

Nuclear explosives devices were tested in India at-

Which of the following motions can be moved only in Lok Sabha? 

1. Adjournment motion 

2. Cut Motion 

Which state is not part of the Nilgiri Biosphere Reserve?

Vaidyanathan Committee (Task Force on Revival of Cooperative Credit Institutions) was set up in the year?

राजस्थान में कपास का सर्वाधिक उत्पादन कहाँ होता है ?

Which among the following banks is headquartered in Kerala, India?

Consider the following statements regarding the ‘Schools of Hindu Laws’: 

A copper disc has a hole. If the disc is heated, the size of the hole -

The Goods and Services Tax day (GST) is celebrated annually on which of these days?

Pandit Shivkumar Sharma is associated with which musical instrument?