Like data entry jobs, typing jobs are mostly local. If you live in Kolkata, search for the local classifieds, you'll see advertisements for typing. People need someone to enter data from a printed document to word. It can be old reports, tables, etc. I did a lot of typing job for money. Mostly the companies are local and pay moderately. Old reports are mostly typed. Outstation companies don't generally send documents as they don't want to bear the postal charges.
Look at the local classifieds. You'll see a lot of local typing jobs. Even look at rediff.com classifieds, yahoo classifieds, and 123.com classifieds. Search for your city jobs. You'll get a detailed listing there.
Once typed, you can send the documents by mail. So, your expense is only the time. Local companies generally seek typists from nearby localities whereby sending and procuring the documents become easier.
The job is a bit boring but pays moderately well. You can earn over Rs. 10K per month by typing 2 hrs a day.