Rule 3
3. Principal place of business in India.-
“Principal place of business in India” means-
(i) where a person carries on business in the goods or services concerned in a trademark-
(a) if the business is carried on in India at only one place, that place;
(b) if the business is carried on in India at more places than one, the place mentioned by him as the principal place of business in India;
(ii) where a person is not carrying on a business in the goods or services concerned in a trademark-
(a) if he is carrying on any other business in India at only one place, that place;
(b) if he is carrying on any other business in India at more places than one, the place mentioned by him as the principal place of business in India; and
(iii) where a person does not carry on any business in India but has a place of residence in India, then such place of residence in India.