'There is clarity globally that employees need to work in a healthy environment in well-certified buildings': Tata Realty & Infrastructure (TRIL), the real estate arm of Tata Sons, this week signed a joint venture with Canada’s largest pension fund manager, Canada Pension Plan Investment Board (CPP Investments), to develop and acquire commercial properties in the country. Sanjay Dutt, managing director of TRIL and Tata Housing Development Company, spoke to Raghavendra Kamath about the joint venture’s plans and his outlook for the real estate sector.