DOCUMENTATION REQUIRED:
Passport: necessary, valid for at least six months upon arrival
Entry Visa: You need the visa, whether for tourism or business.
The Indian authorities do not issue visas on arrival at the airport.
CLIMATE:
India has three main seasons: summer, winter and monsoon season.
The summer months (April-June) are hot in most parts of India. It's the best season to visit the resorts of Shimla, Nainital and Mussoorie valley of Kashmir...
The winter months (November-March) are pleasant throughout India with beautiful sunny days.
The monsoon in early June to arrive in India in the south-west and gradually arrive throughout the country except the Southeast. In these areas has the highest rainfall between mid-October and late December.
SANITARY PROVISIONS:
In India, vaccination is not required.
In any case Consult Office of Hygiene of your local authority.
The first tip is to not drink bottled water if you do not (always check the actual closing of the cap) and avoid eating raw vegetables and unpeeled fruit.