The President Mrs Pratibha Devisingh Patil has stressed the need for more cooperation among countries to meet challenges of climate change. In her discussion with British leaders at London, she hoped that a comprehensive and balanced solution to this problem will emerge. Mrs Patil had talks with Mr David Cameroon, Leader of Opposition and Mr Nick Clegg, Leader of Liberal Democratic Party. <br/> President Patil invited Queen for Commonwealth Games in India next year. AIR correspondent covering the visit of President reports that she viewed the royal collection pertaining to India at Windsor Castle where she was given grand reception by Queen. <br/>