Recently, linking of which of the following rivers was undertaken?

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?
1. Carbon dioxide
2. Carbon monoxide
3. Nitrogen dioxide
4. Sulfur dioxide
5. Methane
Select the correct answer using the code given below.

With reference to `Astrosat, the astronomical observatory launched by India, which of the following statements is/are correct?
1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.
2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.
Select the correct answer using the code given below.

With reference to the economic history of medieval India, the term Araghatta refers to

With reference to the cultural history of India, the memorizing of chronicles, dynastic histories and Epictales was the profession of who of the following?

Recently, for the first time in our country, which of the following States has declared a particular butterfly as State Butterfly?

Consider the following statements:
The Mangalyaan launched by ISRO
1. is also called the Mars Orbiter Mission
2. made India the second country to have a spacecraft orbit the Mars after USA
3. made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt
Which of the statements given above is/are correct?

What was the main reason for the split in the Indian National Congress at Surat in 1907?

The plan of Sir Stafford Cripps envisaged that after the Second World War

Consider the following pairs:
Famous place Region
1. Bodhgaya Baghelkhand
2. Khajuraho Bundelkhand
3. Shirdi Vidarbha
4. Nasik (Nashik) Malwa
5. Tirupati Rayalaseema
Which of the pairs given above are correctly matched?