Ever since Canada-born Indian actress Lisa Ray battled Multiple Myeloma a form of cancer she has campaigned for the cause and spoken widely of it to spread awareness. Now she's planning to open her own research institute for cancer in India.The Water actress who has returned to the country says she plans to join hands with Shiladitya Sengupta who has worked in the area of cancer research and who won the DoD Breast Cancer Research Program Collaborative Innovators Award in 2009.Together they want to open an institute on the lines of Boston's Dana-Farber Cancer Institute.'Shiladitya and I share a common