Which one of the following is a Biosphere Reserve

Which one among the following is a major tobacco-growing State?

Which one of the following has been named the National Aquatic Animal of India?

In India, the river Brahmaputra flows throough

In the context of Micro, Small and Medium Enterprises (MSME) sector in India, which among the following is/are the correct criteria for declaring an enterprise "Micro"?

1. The investment in plant and machinery does not exceed Rs. 25 lakhs
2. The enterprise should fall in the category of manufacturing sector and not in service sector.

Select the correct answer using the codes given below :

Which of the following is/are the Maharatna Central Public Sector Enterprises?

1. National Thermal Power Corporation Ltd.
2. Hindustan Fertilizers Corporation Ltd.
3. Oil and Natural Gas Corporation Ltd.
4. Steel Authority of India Ltd.

Select the correct answer using the codes given below