TATA DOCOMO has introduced a "pay per site" service, an extension of its "pay only for what you use" service, which is targeted at users who regularly browse only two-three sites via their mobile handsets. The service offers two combination packs: those interested in single websites need to pay Rs 10 per site while those who browse multiple sites can opt for a combo pack priced at Rs 25 per month. Each site is categorised under different genres such as social networking, emailing and instant messaging. Each site is priced at Rs 10 and is bundled with 200 MB of free data usage valid for 30 days, post which, customers will be charged Re 0.01 per kb downloaded.