A security official scans a visitor with an infrared thermometer to check his temperature as a precautionary measure against coronavirus outside the Bombay Stock Exchange (BSE) in Mumbai, India March 16, 2020. REUTERS/Francis Mascarenhas

A man wearing a protective mask walks past the Bombay Stock Exchange (BSE) building in Mumbai, India, March 13, 2020. REUTERS/Francis Mascarenhas

A man reacts as he looks at a screen displaying the Sensex results on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, March 12, 2020. REUTERS/Francis Mascarenhas

People walk past the Bombay Stock Exchange (BSE) building in Mumbai, India, March 9, 2020. REUTERS/Francis Mascarenhas

A man walks past the Bombay Stock Exchange (BSE) building in Mumbai, India, March 6, 2020. REUTERS/Francis Mascarenhas

A man walks past a screen displaying news about market updates inside the Bombay Stock Exchange (BSE) building in Mumbai, India, March 6, 2020. REUTERS/Francis Mascarenhas

People walk past the Bombay Stock Exchange (BSE) building in Mumbai, India, February 28, 2020. REUTERS/Hemanshi Kamani

A man walks out of the Bombay Stock Exchange (BSE) building in Mumbai, India, February 28, 2020. REUTERS/Hemanshi Kamani

The Bombay Stock Exchange (BSE) building is reflected in the glasses of a man as he watches a large screen outside the facade of the building in Mumbai, February 1, 2020. REUTERS/Francis Mascarenhas

A man walks past a telecast of India's Finance Minister Nirmala Sitharaman presenting the budget inside the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2020. REUTERS/Francis Mascarenhas

People walk past at a screen displaying India's Finance Minister Nirmala Sitharaman before the budget, on a facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2020. REUTERS/Francis Mascarenhas

Men look at a screen (not pictured) displaying the Sensex results on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2020. REUTERS/Francis Mascarenhas

The Bombay Stock Exchange (BSE) building is seen in Mumbai, India, January 31, 2020. REUTERS/Francis Mascarenhas

A man walks past the Bombay Stock Exchange (BSE) building in Mumbai, India, January 31, 2020. REUTERS/Francis Mascarenhas

A bird flies past the Bombay Stock Exchange (BSE) building in Mumbai, India, January 31, 2020. REUTERS/Francis Mascarenhas

A woman walks past the Bombay Stock Exchange (BSE) building in Mumbai, India, January 31, 2020. REUTERS/Francis Mascarenhas

A man stands in front of a screen displaying news of markets update inside the Bombay Stock Exchange (BSE) building in Mumbai, India, January, 3, 2020. REUTERS/Francis Mascarenhas

A man walks out of the Bombay Stock Exchange (BSE) building in Mumbai, India, January 3 2020. REUTERS/Francis Mascarenhas

A stockbroker and her family watch a terminal during a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India, October 27, 2019. REUTERS/Francis Mascarenhas

A stockbroker and his daughter watch a terminal during a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India, October 27, 2019. REUTERS/Francis Mascarenhas

People walk past at a screen displaying India's Finance Minister Nirmala Sitharaman presenting the budget, on a facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, July 5, 2019. REUTERS/Francis Mascarenhas

A man looks at a screen displaying the Sensex on the facade of the Bombay Stock Exchange (BSE) building during the presentation of the budget, in Mumbai, India, July 5, 2019. REUTERS/Francis Mascarenhas

People walk as a telecast of India's Finance Minister Nirmala Sitharaman presenting the budget is displayed inside the Bombay Stock Exchange (BSE) building in Mumbai, India, July 5, 2019. REUTERS/Francis Mascarenhas

Ashishkumar Chauhan, MD and CEO of the Bombay Stock Exchange (BSE), gestures along with other employees before cutting a cake to celebrate the Sensex index rising to over 40,000, in Mumbai, India, May 23, 2019. REUTERS/ Francis Mascarenhas

Ashishkumar Chauhan, MD and CEO of the Bombay Stock Exchange (BSE), poses as he cuts a cake to celebrate the Sensex index rising to over 40,000, in Mumbai, India, May 23, 2019. REUTERS/ Francis Mascarenhas

A man looks at a screen displaying news of markets update inside the Bombay Stock Exchange (BSE) building in Mumbai, India, May 23, 2019. REUTERS/Francis Mascarenhas

A man looks at a screen displaying news of markets update inside the Bombay Stock Exchange (BSE) building in Mumbai, India, May 23, 2019. REUTERS/Francis Mascarenhas

A screen displaying an image of India's Prime Minister Narendra Modi is seen on a facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, May 23, 2019. REUTERS/Francis Mascarenhas

A man walks past the Bombay Stock Exchange (BSE) building in Mumbai, India, May 20, 2019. REUTERS/Francis Mascarenhas

A man looks at a screen displaying the Sensex results on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, May 20, 2019. REUTERS/Francis Mascarenhas

A man walks past a screen displaying news of markets updates inside the Bombay Stock Exchange (BSE) in Mumbai, India, May 20, 2019. REUTERS/Francis Mascarenhas

A man prays next to a screen telecasting India's interim budget, inside the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2019. REUTERS/Francis Mascarenhas

Men look at a screen (unseen) displaying the Sensex results on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2019. REUTERS/Francis Mascarenhas

A man looks at a screen displaying the Sensex results on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, December 11, 2018. REUTERS/Francis Mascarenhas

People look at a screen displaying the Sensex results on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, December 11, 2018. REUTERS/Francis Mascarenhas

A stockbroker trader reacts as his family watches him trading during a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India, November 7, 2018. REUTERS/Francis Mascarenhas

A stockbroker trader and his family watch a terminal during a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India, November 7, 2018. REUTERS/Francis Mascarenhas

Bollywood actress Neetu Chandra along with stockbroker traders pose as they hit the ceremonial gong to start a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India, November 7, 2018. REUTERS/Francis Mascarenhas

A man walks past the Bombay Stock Exchange (BSE) building in Mumbai, India October 4, 2018. REUTERS/Francis Mascarenhas

A man walks past a screen displaying news of markets update inside the Bombay Stock Exchange (BSE) building in Mumbai, India, February 6, 2018. REUTERS/Danish Siddiqui TPX IMAGES OF THE DAY

A man walks past a screen displaying news of markets update inside the Bombay Stock Exchange (BSE) building in Mumbai, India, February 6, 2018. REUTERS/Danish Siddiqui

A road sign is seen next to Bombay Stock Exchange (BSE) building in Mumbai, India, February 6, 2018. REUTERS/Danish Siddiqui

A man looks at a screen displaying the Sensex on the facade of the Bombay Stock Exchange (BSE) building during the presentation of the budget in Mumbai, India, February 1, 2018. REUTERS/Shailesh Andrade

People react as they look at a screen displaying the Sensex on the facade of the Bombay Stock Exchange (BSE) building during the presentation of the budget in Mumbai, India, February 1, 2018. REUTERS/Shailesh Andrade

A man speaks on his mobile phone next to a screen telecasting India's budget, inside the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2018. REUTERS/Shailesh Andrade

The Bombay Stock Exchange (BSE) logo is seen under a bull statue at the entrance of their building in Mumbai, India January 30, 2018. Picture taken January 30, 2018. REUTERS/Shailesh Andrade

People walk past the Bombay Stock Exchange (BSE) building in Mumbai, India, December 18, 2017. REUTERS/Shailesh Andrade

A stockbroker trader reacts as his family watches him trading during a special "muhurat" trading session for Diwali, the Hindu festival of lights, at the Bombay Stock Exchange (BSE) in Mumbai, India October 19, 2017. REUTERS/Shailesh Andrade

The Bombay Stock Exchange (BSE) building is illuminated during a special "muhurat" trading session for Diwali, the Hindu festival of lights, in Mumbai, India, October 19, 2017. REUTERS/Shailesh Andrade

William Dudley (2-R), President of the New York Federal Reserve Bank, poses with a bronze replica of a bull, during his visit to the Bombay Stock Exchange (BSE) in Mumbai, India May 11, 2017. REUTERS/Shailesh Andrade

William Dudley, President of the New York Federal Reserve Bank, answers a question, after addressing the Indian businessmen at the Bombay Stock Exchange (BSE) in Mumbai, India May 11, 2017. REUTERS/Shailesh Andrade

William Dudley, President and CEO of the New York Federal Reserve Bank, addresses the Indian businessmen at the Bombay Stock Exchange (BSE) in Mumbai, India, May 11, 2017. REUTERS/Shailesh Andrade

A man ties a balloon to the horns of a bull statue at the entrance of the Bombay Stock Exchange (BSE) while celebrating the Sensex index rising to over 30,000, in Mumbai, India April 26, 2017. REUTERS/Shailesh Andrade

A man celebrates the Sensex index rising to over 30,000, outside the Bombay Stock Exchange (BSE) in Mumbai, India April 26, 2017. REUTERS/Shailesh Andrade

Employees of the Bombay Stock Exchange (BSE) cut a cake outside the building to celebrate the Sensex index rising to over 30,000, in Mumbai, India April 26, 2017. REUTERS/Shailesh Andrade

Employees of the Bombay Stock Exchange (BSE) carry a cake outside the building for the celebrations marking the Sensex index rising over 30,000, in Mumbai, India April 26, 2017. REUTERS/Shailesh Andrade

Bombay Stock Exchange (BSE) CEO and Managing Director Ashish Kumar Chauhan (L) speaks to BSE Chairman Sudhakar Rao (R) during the company's listing ceremony at the National Stock Exchange (NSE) in Mumbai, India, February 3, 2017. REUTERS/Shailesh Andrade

Bombay Stock Exchange (BSE) Chairman Sudhakar Rao (L) speaks to Chairman of National Stock Exchange (NSE) Ashok Chawla (R) during BSE's listing ceremony at the National Stock Exchange (NSE) in Mumbai, India, February 3, 2017. REUTERS/Shailesh Andrade

People look at a screen displaying the Sensex on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2017. REUTERS/Shailesh Andrade

People react as they look at a screen displaying the Sensex on the facade of the Bombay Stock Exchange (BSE) building in Mumbai, India, February 1, 2017. REUTERS/Shailesh Andrade