Over the next 5 to 15 years, several initiatives like Namami Gange, piped water supply, the Pradhan Mantri Krishi Sinchai Yojana as well as the river linking project, BofAML says, could provide an opportunity in the region of USD 270 billion collectively. Amish Shah, co-head of India research at Bank of America Merrill Lynch and the author of this report spoke at length about the premise of this report on water infra and why this will be the government's new capex focus from hereon.