New Delhi, May 22 -- India's primary market has witnessed a flurry of activity, as several companies are lining up to list their shares on the exchanges in May. Improved sentiment in the Indian stock market has revived the IPO space, bringing back the buoyancy seen in the recent past.

While market activity has recently shown signs of a rebound, raising hopes that bidding for new issues will improve, nine companies have already listed their shares on Dalal Street after raising funds from investors, with eight being from the SME category.

Ather Energy is the only mainboard company to have debuted on the exchanges since February. In terms of subscription, two SME IPOs-Srigee DLM and Virtual Galaxy Infotech-were subscribed 456 times and 178...