As of my last knowledge update in January 2022, several cities in India have metro rail services, and new metro projects were planned or under construction in various other cities. Keep in mind that developments may have occurred since then, and it’s advisable to check the latest information for the most up-to-date details.

As of 2022, some of the cities with operational metro services in India include:

1. **Delhi:** The Delhi Metro is one of the largest metro networks in the country, with several lines connecting different parts of the National Capital Region (NCR).

2. **Mumbai:** The Mumbai Metro operates in the city and its suburbs, aiming to improve connectivity in this densely populated metropolitan area.

3. **Kolkata:** The Kolkata Metro is one of the oldest metro systems in India and serves the city of Kolkata.

4. **Chennai:** The Chennai Metro Rail operates in Chennai, Tamil Nadu, with plans for expansion to cover more areas.

5. **Bengaluru:** The Namma Metro serves Bengaluru, Karnataka, with several phases planned for future expansion.

6. **Hyderabad:** The Hyderabad Metro connects various parts of the city and has been expanding since its inception.

7. **Kochi:** The Kochi Metro started its operations in 2017, providing metro services in the city of Kochi, Kerala.

8. **Jaipur:** The Jaipur Metro operates in the capital city of Rajasthan, connecting major areas.

9. **Lucknow:** The Lucknow Metro provides services in the city of Lucknow, Uttar Pradesh. Indian Metro service in India

10. **Noida-Greater Noida:** An extension of the Delhi Metro, this line serves the Noida and Greater Noida regions.

Several other cities, including Pune, Ahmedabad, and Bhopal, have proposed or ongoing metro projects. The development and expansion of metro services are part of efforts to address urban transportation challenges in these rapidly growing cities.

Please verify the current status and expansions of metro services in India, as there may have been new developments or changes since my last update in January 2022 Indian Metro service in India