New Delhi, July 08: The much-awaited booking for Delhi-Lahore bus service opened here today with Delhi transport minister Ajay Maken issuing the first ticket. The booking for the service, to be resumed on July 11, got underway after a day's delay caused by non-completion of formalities. Mohd Abdullah of Srinagar was the first person to get the ticket at the Ambedkar Nagar Bus Terminal. Bureau Report