New Delhi, Oct. 20 -- US Secretary of State Marco Rubio on Tuesday said India has made substantial progress in diversifying its energy imports, including reducing its dependence on Russian oil, as Washington looks to expand energy cooperation with New Delhi and explore opportunities involving Reliance Industries' operations in Venezuela.

Speaking to reporters in Mumbai, Rubio said New Delhi had repeatedly expressed its intention to diversify its energy portfolio, describing the move as a sensible approach amid global energy market disruptions.

"Obviously it's not easy to do that from one day to the next, you know. So I think they've made substantial progress in that regard and we're happy to see that," Rubio said, responding to a questi...