In which year, the first meeting of Rajya Sabha was held in Independent India?

Among Meghalaya , Sikkim, Nagaland, & Assam , how many states were initially given status of autonomous states and subsequently made full fledged states?

The land as a property is a striking difference between Indian Feudalism and European Feudalism. Consider the following statements in this context:
1. In India, no private property in village land existed; while in Europe, land as a private property was major feature of feudalism
2. Villages and peasantries in India generally remained a passive subject of the conflict between rival powers
Which among the above observations is / are correct?

Consider the following statements about the Agulhas current:

1. It is the is the world’s second fastest ocean current
2. It aids in transporting cold water from Atlantic Ocean towards Indian Ocean
3. It flows from south-west towards north-east

Which of the above statements is/are correct?

Which of the following will increase the incidence of Eutrophication in rivers and lakes?

1. Use of Fertilizers in nearby farms
2. Wastewater effluent
3. Runoff from abandoned mines

Select the correct option from the codes given below: