I have done diploma in mechanical engg, and now i want to do BE correspondently. Pls send me details about the course, fees

You can do BTech. It will take 3 years. Fees is Rs. 17,000 per sem. Visit navimumbaicollege.com Click on Engineering. Click on Rajasthan Vidyapeeth or KSOU University.

BE through distance education can be done through Karnataka state open university. You may contact them at their Mysore office. However doing BE through distance educatio is not much accepted by business organizations. Instead think about doing degree through A.M.I.E.