How many companies are listed in Nifty 50?

The NIFTY 50 is an Indian stock index reflecting the performance of the 50 largest and most actively traded stocks on the National Stock Exchange (NSE). The index is widely used as a benchmark for the Indian stock market. To my knowledge, the following companies were included in the NIFTY 50 Index as of September 2021:
  1. Adani Ports and Special Economic Zone Ltd.
  2. Asian Paints Ltd.
  3. Axis Bank Ltd.
  4. Bajaj Auto Ltd.
  5. Bajaj Finance Ltd.
  6. Bajaj Finserv Ltd.
  7. Bharti Airtel Ltd.
  8. Bharat Petroleum Corporation Ltd.
  9. Britannia Industries Ltd.
  10. Cipla Ltd.
  11. Coal India Ltd.
  12. Divi's Laboratories Ltd.
  13. Dr. Reddy's Laboratories Ltd.
  14. Eicher Motors Ltd.
  15. Grasim Industries Ltd.
  16. HCL Technologies Ltd.
  17. HDFC Bank Ltd.
  18. Hero MotoCorp Ltd.
  19. Hindalco Industries Ltd.
  20. Hindustan Unilever Ltd.
  21. Housing Development Finance Corporation Ltd. (HDFC)
  22. ICICI Bank Ltd.
  23. Indian Oil Corporation Ltd.
  24. IndusInd Bank Ltd.
  25. Infosys Ltd.
  26. ITC Ltd.
  27. JSW Steel Ltd.
  28. Kotak Mahindra Bank Ltd.
  29. Larsen & Toubro Ltd. (L&T)
  30. Mahindra & Mahindra Ltd.
  31. Maruti Suzuki India Ltd.
  32. Nestle India Ltd.
  33. NTPC Ltd.
  34. Oil and Natural Gas Corporation Ltd. (ONGC)
  35. Power Grid Corporation of India Ltd.
  36. Reliance Industries Ltd.
  37. State Bank of India (SBI)
  38. SBI Life Insurance Company Ltd.
  39. Shree Cement Ltd.
  40. Sun Pharmaceutical Industries Ltd.
  41. Tata Consultancy Services Ltd. (TCS)
  42. Tata Motors Ltd.
  43. Tata Steel Ltd.
  44. Tata Consumer Products Ltd.
  45. Tech Mahindra Ltd.
  46. Titan Company Ltd.
  47. UltraTech Cement Ltd.
  48. UPL Ltd.
  49. Wipro Ltd.
  50. Zee Entertainment Enterprises Ltd.

Please note that the composition of the NIFTY 50 Index may change over time depending on various factors such as market capitalization, liquidity, and other eligibility criteria set by the NSE. It is always advisable to read the latest information or consult a financial expert for the current list of companies included in the NIFTY 50 Index.