The Government of India Tourist Office south of Connaught Place is open weekdays 9 to 6 and Saturday 9 to 2, but it doesn't have anything a decent hotel can't offer. Its airport counters are open for major flight arrivals, and its train-station counters are open 24 hours.
Government of India Tourist Office. 88 Janpath, Connaught Pl., Central Delhi, Delhi, National Capital Territory, 110001. 11/2332–0005.