The black cotton soil of India has been formed due to the weathering of

With reference to the Indus river system, of the following four rivers, three of them pour into one of them which joins the Indus direct. Among the following, which one is such river that joins the Indus direct? 

With reference to India, Didwana, Kuchaman, Sargol and Khatu are the names of

Consider the following rivers :

1. Brahmani

2. Nagavali

3. Subarnarekha

4. Vamsadhara

Which of the above rise from the Eastern Ghats?