MUMBAI, India - Mumbai is largely back open for business, but if the government doesn’t improve the nation’s security India Inc. may sink, corporate leaders say.

While few say the recent terror attacks will derail India’s economy, there are concerns that foreign investment will decline as companies re-evaluate the risk of doing business in India. Mumbai’s high-profile businesses — finance and film — will likely continue to grow, but business executives acknowledge concern about long-term damage to the country’s reputation.