GATE

BCA graduates are not eligible to appear for GATE examination.

Hey Mani,
Kindly specify in which college you want to take admission in so that we can help you. However if you still haven't decided for the college than following are some suggestions for you. Also, I would suggest you to not rely only on GATE score to take admission and apply for some other colleges also.

Are you talking about pune? If yes, you do have the chances . just check the last year cutoffs for it.

if you are in general category and your GATE score is more than 400 than you can apply in different IITs and NITs. If you are in reserved category than less GATE score you will get admission too. You have to apply in individual IITs.

Getting coached from an outside agency is not a must, but it helps in clarifying the doubts timely and also helps in making a good schedule for the studies. It provides you an opportunity to discuss the study material with other students which helps a lot. However, if you are confident yourself and already have a study group then you need not opt for coaching. But even them I would suggest to procure study material from a reputed coaching institite.

Hi Ahfaz,
Yes, you can take admission into M-tech course without GATE score card. You can take admission in state technical university affiliated colleges by appearing for an entrance exam conducted every year by respective state university/colleges etc.
With Gate score you may take admission in some renowned institute's like IIT's, NIT's, BIT's etc.
For list of colleges offering M.Tech in Civil Engineering :
http://goo.gl/LKPLai
Kindly filter out the branch / college / location as desired from the above link.
I hope this information helps. Please feel free to revert.
Wish you luck.

Hey Ujjwala,
There are certain good universities and institutions in India which ae performing really good and setting records of placement. You can check out the following colleges as they are the best in north India -

GATE is the gate to do M.Tech and ME from IITs and NITs.
For more details, kindly follow the link:
https://en.m.wikipedia.org/wiki/Graduate_Aptitude_Test_in_Engineering