Since India is one of the fastest growing economies in the world, and covers almost the entire continent; major world cities have travel routes to India. Early travelers from the west preferred the sea routes to India. Air travels are fastest & easiest mean for getting to India these days.

Overland:
The easiest overland routes to India are through Nepal crossing the Indo-Nepal Border at various points. If you're heading from Kathmandu or Pokhara to Delhi or elsewhere in north-western India, then Sunauli is the most convenient entry point; to reach Calcutta or most of eastern India, Birganj is the best place to cross the border; and to get to Darjeeling, it's easiest to go via Kakarbhitta. The overland travel to India from Nepal may be wearisome sometimes, but that would the most economical way for getting to India.

Air:
Nepal’s Kathmandu link the Indian cities Delhi, Bombay, Varanasi, Patna, & Calcutta, & Madras (Chennai). Nepal’s national airline Nepal Airlines & other private airline fly regularly from Kathmandu to Indian cities. The major international airports of India are in Mumbai & Delhi. Air India & Indian Airlines are two national airlines of India. Most of the major world cities have been linked to India.

Flight Time (Approx):

Kathmandu-Delhi             1:40 hrs
Kathmandu-Bombay        2:20hrs

London-Delhi                    8 hrs
London-Mumbai               8:30 hrs
New York-Delhi               15:30 hrs
New York-Mumbai          15 hrs

By Water:
India’s main ports are inCalicut, Kochi, >Kolkata(Calcutta), Mumbai(Bombay), Panaji (Goa) and Rameswaram.

Flight & Train Reservations:
India has the largest network of rail roads in the world. Since most of the flights & train tickets are booked in advance, especially during the peak tourist season of November to March, make your reservation in time and also make confirmation a day before your travel day.