Most of India's metallic minerals are found in the peninsular plateau region, specifically within old crystalline rocks, including the Dharwar and Cuddapah systems.

These river valleys are indeed rich in coal reserves, as IIT Kanpur states and Physics Wallah notes.
However, according to the available information, these valleys hold an even larger percentage: over 97% of India's coal reserves are found in the valleys of Damodar, Sone, Mahanadi, and Godavari.

Consider the following statements regarding the Railway sector in India:
1. The Indian Railways network is the second longest network in the world.
2. More than ninety percent of Railway lines in India are based on Narrow gauge.

With regard to second Anglo-Maratha war, which of the following statements is/are correct?

I. It was fought between the British East India Company and the united confederacy of Mara th a chiefs of the Peshwas, Gaekwads, Holkars, Scindias and Bhonsle.

2. It came to an end with the defeat of Holkars and signing the Treaty of Rajpurghat.

3. This war helped British to gain control over a large part of Central India.

In the context of Bhitarkanika National Park, consider the following statements:
1. The park is famous for having one of the largest populations of saltwater crocodiles in India.
2. It is a dry deciduous forest ecosystem with minimal aquatic biodiversity.
3. The park has been included under UNESCO’s list of World Heritage Sites

Consider the following statements:
1. Sahariya tribe is one of the Particularly Vulnerable Tribal Groups (PVTG).
2. Currently, there are 75 PVTGs spread over 18 states and one Union Territory (UT).
3. Madhya Pradesh (MP) has the highest number of PVTGs.

Consider the following description:
This crop grows well in well-drained, fertile, sandy loam to silty loam soils, with alluvial soils also being suitable. The ideal soil pH ranges between 5.5 and 7.5, and good drainage is essential as waterlogging can be harmful. It prefers warm weather with temperatures ranging from 21°C to 32°C and requires 50–100 cm of well-distributed rainfall. In India, it is mainly cultivated during the Kharif season (June–September), though it can also be sown in other seasons depending on the region and variety.

Consider the following:
1. Convention on the Conservation of Migratory Species of Wild Animals
2. Minamata Convention on Mercury
3. Vienna Convention for the Protection of the Ozone Layer
4. Stockholm Convention of Persistent Organic Pollutants

Tri Party Repo Dealing System (TREPS) is a money market platform operated by the Clearing Corporation of India Ltd (CCIL) for repo transactions in government securities, where a third-party agent manages collateral and settlement. In this context, Which of the following entities are eligible to participate in TREPS?
1. Public Sector Banks
2. Co-operative Banks
3. Mutual Funds
4. Insurance Companies

With reference to Article 143 of the Indian Constitution, consider the following statements:
1. The President can seek the opinion of the Supreme Court on any matter of public importance, whether it has arisen or is likely to arise.
2. The Supreme Court’s opinion under Article 143 is binding on the President.
3. The concept of advisory jurisdiction under Article 143 has its roots in the Government of India Act, 1935.

Consider the following statements regarding the nominated members to assemblies of the Union
Territory:
1. The Government of Union Territories Act, 1963 provides the Union government may nominate up to three members to the Puducherry Assembly.
2. There are no nominated MLAs in the Delhi Assembly.
3. The J&K Reorganisation Act, 2019 provides that the LG may nominate a total of up to five members to its assembly.