Raab hope that both India and China could leverage their close ties with Russia to pressuree Putin to end the conflict.
Earlier today, Union Minister of Environment Prakash Javadekar also met Alok Sharma and discussed important issues, for negotiations to be held in Glasgow later this year.
Britain is confident it can reach a Brexit agreement with the European Union in October, the country's chief negotiator on leaving the bloc said on Tuesday.
Britain is set to leave the bloc on March 30, but the two sides want to strike an agreement by late October in order to give parliaments enough time to endorse a deal.
Britain's new Brexit negotiator Dominic Raab said today he planned on "intensifying" the withdrawal negotiations as he met his EU counterpart for the first time.