. Visiting relatives or friends.
. Tourists, including cruise passengers.
. Visiting for religious purposes.
. Business related visits including meetings and trade fairs, buy goods, negotiate and complete contracts with UK business, conferences and seminars as delegate, check the details or examine goods.
. Employment-related visits including interviews, a representative of an Indian company going to UK for service, repair or installation of products, an adviser, consultant, trainer or other kind of specialist who is employed in India either directly or under certain contract by the same company or group of companies as in UK, entertainer traveling for auditions or sportsperson traveling for trials (but not those setting up business in the UK).

Conditions
The conditions to be met by every applicant seeking entry clearance as a visitor are:
(a) The applicant genuinely seeks entry as a visitor for a limited period as stated by him, not exceeding six months.
(b) The applicant intends to leave the UK at the end of the period of the visit as stated by him.
(c) The applicant does not intend to take employment in the UK.
(d) The applicant does not intend to produce goods or provide services (including the selling of goods or services direct to members of the public) within the United Kingdom during the stay period.
(e) The applicant does not intend to study at a maintained school.
(f) The applicant has enough money to support, maintain and accommodate himself and any dependants adequately in UK without working or needing any help from public funds.
(g) The applicant can meet the cost of the return or onward journey.

Note: Conditions explained above are general conditions which every applicant must fulfill irrespective of his category. Although there are category specific conditions also which an applicant should fulfill depending on the category under which the applicant applies.