The Paytm employee, who tested positive for the contagious disease with flu like symptoms on Wednesday, came in touch with 91 people in Gurgaon, an official said, citing his counterpart in the suburban town.
Axis Bank emerged as the biggest gainer in the Sensex pack, surging 6.62 per cent, followed by SBI at 5.88 per cent.
Roadshows will be held in Singapore, Hong Kong, London, New York and Boston, NTPC gained close to 1%.
The Sensex ended 290 points higher at 29,095 mark and the Nifty gained 94 points to close at 8,806 levels.
The Nikkei share average rose 2.6% to close at 15,195.77 points, more than recouping Tuesday's losses.
Broader markets underperformed the benchmark indices with BSE Midcap and Smallcap indces slipping 0.8%-1.1%
The S&P BSE Sensex dropped 207 points to end at 25,230.
The S&P BSE Midcap and the S&P BSE Smallcap indices gained 0.3% and 0.5%, respectively
Top gainers from the Sensex pack are Asian Paints, Bajaj Auto, ITC, NTPC, L&T and HDFC, all up 2% each
The sentiment got support from better-than-expected earning results by select companies and continuous buying by domestic financial institutions.
Tata Motors, ONGC, HDFC and TCS were the top gainers.
Fresh buying by domestic institutional investors and better-than-expected June quarter results from some blue-chip companies boosted investor sentiment
The S&P BSE Sensex has dipped five per cent, thus far, in CY15.
In an online chat with readers, Amit Chaudhary from Sarkari Jobs answered queries on how to crack the SSC Combined Graduate Level exam.
One thing has remained constant through the Indian economy in the last seven decades: the dominance of family-owned businesses. Krishna Kant reports.
The local markets are expected to react to global triggers until the government announces the Union Budget.
The Sensex and Nifty remained above their key levels of 36,000 and 10,900 throughout the session, indicating strong investor optimism after a prolonged spell of caution.
Investors lost around Rs 1.57 lakh crore in market valuation on Friday.
Can the poll outcome be a trigger for a meaningful correction?
Several factors force women out of the workforce. But mainly it's lack of good childcare facilities.
Among Sensex constituents, Vedanta fell 3.40 per cent, followed by SBI 3.17 per cent, Yes Bank 3.11 per cent, Axis Bank 1.68 per cent, ONGC 1.60 per cent, Power Grid 1.52 per cent and HDFC 1.48 per cent.
Year-on-year comparison shows a 14 per cent increase in hiring activity when compared to April 2013, the report said.
BHEL down around 2.4% and Bharti Airtel down around 1.6% were other major losers.
Tata Motors (down 1.7%) was the top loser on Sensex and Nifty, while Lupin (1.6%) gained the most.
Market breadth was weak with 1239 losers and 1078 gainers on the BSE.
The Supreme Court on Monday posed some tough questions to a lawyer, asking him to substantiate his "unfounded allegations" in a PIL that Indian pharma major Ranbaxy Laboratories Ltd was allegedly manufacturing and selling adulterated medicines.
The BSE Mid-Cap index was currently up 0.83%. The BSE Small-Cap index was currently up 0.8%.
The focus is on corporate results at one level but global news will also have an impact
Payments banks will mainly deal in remittance services and accept deposits of up to Rs 1 lakh.
Sensex sinks into red at close on growth concerns.
Gains were led by Tata Motors on robust Q1 earnings and HDFC Group shares.
BSE Sensex ended at 25,549.72 up by 321 points or 1.27% and the Nifty ended 7624.40 up by 97.75 points or 1.30%.
Investors will keenly watch out for the Futures & Options expiry for July on Thursday
The 30-share Sensex ended up 214 points at 27,890 and the 50-share Nifty closed up 52 points at 8,430.
Shares of L&T Technology Services, an arm of engineering giant Larsen and Toubro, made a decent debut on the bourses
The market sentiment was also impacted by mixed global cues as setbacks for a healthcare overhaul in the US raised doubts over prospects for a range of reforms backed by President Donald Trump.
The WPI inflation stood at negative 2.4% in May 2015, compared with a negative 2.65% in April 2015.
Creating history, leading exchange BSE on Wednesday peaked above Rs 100-trillion mark to scale a new record in terms of market wealth of all listed firms.