Sensex (also known as BSE 30) was launched on January 1, 1986 and the index was named by stock market expert Deepak Mohini. It initially was a basket of 100 companies but later the number of companies was reduced to 30. Jun 11, 2025 · Stay updated with live Sensex, its history, real-time values, and invest wisely with insights on BSE Sensex. 5 days ago · Sensex is India's benchmark stock index which tracks 30 leading companies listed on the Bombay Stock Exchange (BSE), reflecting overall market sentiment and economic health, crucial for gauging India's stock market performance. History of Sensex, Get real time Sensex. Click here to stay updated and invest wisely! visit at bseindia.com.