Sean Hignett travelled to Darjeeling with Cox & Kings (020 7873 5000; www.coxandkings.co.uk), which specialises in group and tailormade tours throughout India. An 11-day Bengal and the Eastern Himalaya trip, which includes a stay in Darjeeling, costs from £1,595pp, including most meals, staying in four and five-star hotels, and excursions with a guide and return flights.