LLP registration will require a minimum of 2 people. Contact any Local CA, he will assist you in registering that. You can start a company with a capital of INR 1,00,000 (Minimum required) for the registration. MCA Fee and Various forms will cost you around 7,000 to 8,000. Digital Signatures for the partners - around 4,000 (2 years validity)
Others - around 4,000 to 5,000
CA Fee - 5,000 to 8,000
You'll be up and running with in 18-25K (CA fee differs) in around 45-60 days.