Air traffic between India and Europe resumed after a week of disruption caused by volcanic ashes. Air India and Jet Airways started operating flights in both directions to fly home stranded passengers on Wednesday. <br/> <br/>According to official estimates, around 30,000 air travellers are stranded in India, primarily in Delhi and Mumbai. The number came down from 41,000 due to opening up of operations to the US and Canada two days ago. Air India began its European operations, launching its dailies from Delhi to Paris and Frankfurt. <br/> <br/>It would resume normal services from Thursday on sectors like Delhi-London-Delhi, Delhi-Frankfurt-Delhi, Mumbai-London-Mumbai, Delhi-New York-Delhi, Mumbai-New York-Mumbai, Mumbai-Chicago-Mumbai, Amritsar-London-Toronto-London-Amritsar and Ahmedabad-Mumbai-Newark-Mumbai. <br/> <br/>Air India announced an additional Mumbai-London-Mumbai flight on Friday to clear the backlog of passengers. Jet Airways too resumed its flights to London from Delhi and Mumbai and relaunched its hub operations at Brussels. <br/>