If you plan to spend your holiday in any outdoor location, India can be a very good goal. India holds virtually every type of ground you can think. A large number of mountains and national parks provide many opportunities for eco-tourism and trekking, and the sheer size promises something for everyone. India is a country of culture and tradition and is the leading tourist destination in the world. India's rich cultural diversity and civilization can be seen in every part of the country. India has always been a good center of education and learning.
The best way to land in India is by plane. You can fly directly to the Indian capital New Delhi from all the major cities around the world. There is always a variance in international airfares. You will get the lowest rates in January and February and the highest around Christmas. You can browse this link to acquire more knowledge about visa services.
Only citizens of Nepal and Bhutan do not require a visa to inter into India, rest of the world needs it. While applying for a visa you have to decide weather you need a visa single entry or multiple entry visa, the cost is the same for both. You can always get Indian visa from Indian embassies or high commissions from any country. Indian high commissions and embassies are closed on all Indian holidays as well as on local holidays.
India is well connected by rail and road train is the best still to travel in the country. train travel is a very good experience in India but remember that your train can be late hour.