ICICI Venture Funds exited water management company Va Tech Wabag by selling its five per cent stake in the company to Japan-based Sumitomo Corporation for around Rs 68 crore. The fund has exited with almost 10 times its investment. Sumitomo Corporation has bought the stake from the venture funds, according to a company’s senior official. ICICI Venture Funds had invested around Rs 60 crore for a 75 per cent stake when it supported a management buyout in 2005.