Applying TIN for new business

#1
I wanted to start a small business. its related only supplying items to companies or offices in Bangalore, all over Karnataka & all over India. Companies are asking me TIN no. So please help me what are the requirements to apply the TIN no. So please help me what are the requirements to apply the TIN no. is it necessary to give the documents for office space. because I am not keeping any materials in my place and I am in a rented house.