India's population growth during the 20th century can be classified into four distinct phases. Match List I with List II and select the correct answer using the codes given below the lists:  

Nanda Devi peak forms a part of 

Assertion (A): Coal-based thermal power stations contribute to acid-rain.
Reasons (R): Oxides of carbon are emitted when coal burns. 

Which one among the following has the largest shipyard in India ?  

Consider the following statements :
1.India is the original home of the cotton plant.
2.India is the first country in the world to develop hybrid cotton variety leading to increased production.

Match List I with List II and select the correct answer using the codes given below the lists :

Match List I with List II and select the correct answer using the codes given below the lists :

What is the correct sequence of the rivers-Godavari, Mahanadi, Narmada and Tapi in the descending order of their lengths ? 

Assertion (A): The eastern coast of India produces more rice than the western coast.
Reason (R): The eastern coast receives more rainfall than the western coast.

The thermal power plant of Bokaro is located in