The BSE 30-share Sensex plummeted by 946.18 points or 3.38 per cent to 27,011.31 last month, registering its second straight monthly fall.
Tracking weakness in the stock market, total investor wealth at the BSE slumped to Rs 99.7 lakh crore, from Rs 101.49 lakh crore as on March 31.
Experts said below-expectation earnings posted by Indian companies, the issue of imposing minimum alternate tax (MAT) on Foreign Portfolio Investors and forecast of a weak monsoon for the second consecutive year haunted the market, resulted in overall correction in equities.
India is likely to witness a "below normal" monsoon this season, for a second consecutive year, the Indian Meteorological Department (IMD) has predicted as it partly blamed the El Nino phenomenon for the low forecast.
Also Read
The weather office predicted that the south-west monsoon will be below normal in 2015 and indicated that the disruptive El Nino phenomenon could make things worse for India's largely rain-fed farms, which might have a negative bearing on the inflation numbers, Bothra added.
"Market is likely to move post closure of Parliament session. In the meanwhile if any bills like GST or land acquisition bill get passed then it will be added fodder for the bulls," said a broker.
Meanwhile, seeking to calm investors, Finance Minister Arun Jaitley yesterday offered tax relief to FIIs by exempting some of their income from MAT and announced that an "extremely simplified" income tax return form will soon replace the controversial 14-page ITR that sought details of all bank accounts and foreign trips.