Today, I got gear oil changed of Honda Civic 03 from Honda Drive Inn. Moreover, I got it tuned up too through their tune up package (Rs. 3000). Total cost is Rs. 6850
In their tune up package, Tappets were adjusted, TB was cleaned, etc. etc., rest I don't know as they do not let the customer visit their mechanical shop. Plugs and air filter is also changed if required (mine were not changed).
Let's see how does it perform, I will update the forum.