Check out Name of Famous Airports in India:
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1. New Delhi – Indira Gandhi International Airport
2. Mumbai – Chhatrapati Shivaji International Airport
3. Kolkata – Netaji Subhash Chandra Bose International Airport
4. Chennai- Chennai International Airport (Meenambakkam Airport)
5. Hyderabad – Rajiv Gandhi International Airport
6. Amritsar – Sri Guru Ram Dass Jee International Airport/Raja Sansi
7. Guwahati – Lokpriya Gopinath Bordoloi International Airport
8. Ahmedabad – Sardar Vallabhbhai Patel International Airport
9. Bhopal – Raja Bhoj Airport
10. Indore – Devi Ahilyabai Holkar Airport
11. Jaipur – Sanganeer Airport (International)
12. Nagpur – Dr. Babasaheb Ambedkar International Airport
13. Lucknow – Chaudhary Charan Singh International Airport/Amausi Airport
14. Varansi – Lal Bahadur Shastri International Airport
15. Patna- Lok Nayak Jayaprakash Airport
16. Raipur- Swami Vivekananda Airport
17. Ranchi- Birsa Munda Airport
18. Bhubaneswar- Biju Patnaik Airport
19. Chandigarh- Shaheed Bhagat Singh International Airport
20. Port Blair- Veer Savarkar International Airport
21. Vasco Da Gama in Goa- Dabolim International Airport

These are very important for various competitive exams such as IBPS, SSC, SBI, RBI, etc. as one question usually comes regarding this.