Dear Shrek;
I do not think any ticketing services will be logging in sajha and provide that services, that is the truth. ( not trying to be nasty or sarcastic)
If you are a student suggest checking STA travels or check each and every travel agent that pops on sajha and even online. Whoever gives the best deal, makes the earnign.   Good to know you going on early May, summer and Christmas and long holiday time is not a good time to travel if you are price conscious. Good luck and enjoy home.