Heyyy Kapil .....

You can get the information by using the below link for the GATE exam college predictor tool by careers360 is given below , it will help you to get the college's that you can expect based on your score and your category for masters and also you can check out for the PSUs that you are eligible for : 

Https://engineering.careers360.com/gate-college-predictor

Also, yes you can fill the form. To know more about the applying procedure for BSNL JTO and steps of how to apply and important dates , visit below link : 

https://engineering.careers360.com/articles/bsnl-jto-recruitment-through-gate