The correct answer is 1999. The Indian stock market Index, the SENSEX, cross the 5000 point mark for the first time in 1999. On 11 October 1999, the SENSEX crossed the 5,000 point mark for the first time. The primary reason was that the Bharatiya Janata Party-led coalition won the majority in the 13th Lok Sabha election then. ?Additional Information Currently, SENSEX crossed the 50,000 point mark with an all-time high of 50,181 on 21 January 2021. BSEEstablished - 1875It is Asia's oldest stock exchange. It is the world's 7th largest stock exchange.