(a) Union of States: This means that India is a federation comprising states and union territories. It emphasizes the unity of the country while recognizing the diversity and autonomy of its states.

(b) Federal State with Unitary Features: India operates as a federal state where power is divided between the central government and individual states. However, there are certain unitary features, such as a strong central authority in matters like defense and national security.

(c) Federal State with Federal Features: This is not a term used to describe the Indian political system. India is often termed as a federal state with unitary features.

(d) Federal State: This term generally implies a political entity where power is shared between a central government and regional entities. India is indeed a federal state where states have their own governments and certain powers, alongside a strong central government.

1. 'Equal pay for equal work for both men and women' is mentioned in Article 39 (d) of the Constitution of India.

2. In this article the State has been directed to ensure equal pay to both men and women for equal work.

3. Article 39(d) is a directive principle of state policy, which means it cannot be implemented through legislation. However, the Court may declare laws that violate this Article unconstitutional.

1. Newton is the SI unit of force. It is a unit force that causes an acceleration of one meter per second on one kilogram of mass.

- Force can be defined as:
 Force =Mass x Acceleration

2. Joule is the SI unit of energy and work. It is the unit work done by one Newton force over a distance of one meter.

- Energy can be defined as:
 Energy = Work x Time

The Great Bath is one of the best-known structures among the ruins of the ancient Indus Valley Civilization at Mohenjo-daro in Sindh, Pakistan.

The famous Jain centre is Shravanabelogola, which is situated in Mysore (Karnataka), there is a statue of Gommateshwara, which is Built by Chavrendaray

Mahavira was the 24th Tirthankara of Joins and original Founder of Jainism. The 23rd tirthankar of Jains was Pasravnath.

1. The country's largest lender State Bank of India (SBI) has launched 'Nation First Transit Card'.

 2. The current chairman of SBI is Dinesh Kumar Khara.

 3. This card allows customers to make digital ticketing payments for things like metro, bus and parking.