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when I searched on google it is showing that there are 23 stock exchanges in india , 2 are national level and 21 are regional so which one is true?

@jagritipatel1265 hi user, it should be 23. Thanks for bringing this to our attention. We have changed the right answer for this.

These are the approved list of stock exchanges

India has 23 approved stock exchanges, of which NSE and BSE have the major share in market capitalisation. The approved stock exchanges of India are listed as below:
1. Meerut Stock Exchange, Meerut(UP)
2. UP Stock Exchange, Kanpur(UP)
3. Mumbai Stock Exchange, Mumbai(Maharashtra)
4. Over the Counter Exchange of India, Mumbai(Maharashtra)
5. National Stock Exchange, Mumbai(Maharashtra)
6. Pune Stock Exchange, Pune(Maharashtra)
7. Ahmedabad Stock Exchange, Ahmedabad(Gujarat)
8. Vadodara Stock Exchange, Vadodara(Gujarat)
9. Bangalore Stock Exchange, Bangalore(Karnataka)
10. Canara Stock Exchange, Mangalore(Karnataka)
11. Bhubaneswar Stock Exchange, Bhubaneswar(Odisha)
12. Kolkata Stock Exchange, Kolkata(West Bengal)
13. Delhi Stock Exchange, Delhi
14. Guwahati Stock Exchange, Guwahati(Assam)
15. Hyderabad Stock Exchange, Hyderabad (Andhra Pradesh)
16. Jaipur Stock Exchange, Jaipur (Rajasthan)
17. Ludhiana Stock Exchange, Ludhiana(Punjab)
18. Chennai Stock Exchange, Chennai(Tamil Nadu)
19. Coimbatore Stock Exchange, Coimbatore(Tamil Nadu)
20. MP Stock Exchange, Indore(Madhya Pradesh)
21. Magadh Stock Exchange, Patna(Bihar)
22. Capital Stock Exchange, Kerala Ltd Tiruvananthapuram, (Kerala)
23. Cochin Stock Exchange, Cochin(Kerala).

Please remember , 23 stock exchanges were created since Independece, but few of these stock exchanges went defunct. This list is the total exchanges created, and not active stock exchanges