Hey Anand Reddy,
As the GITAM GAT elgibilty condition says that the qualifying exams marks must be above 60% and even the overall score of PCM must be equal or more than 60%. If youR PCM score is not equal or more than 60% then you have no chances to get Admission at GITAM University. Not only CSE you have no chances to get any of the stream at GITAM University. As most of the private university keeps the elgibilty condition to get admission in the university, PCM more than 60%. Anyways as your PCM percentage is less I recommend you to go through any state wise engineering exam rather than private university exams. For more details about the GITAM eligibility you can check here:
https://www.google.co.in/amp/s/engineering.careers360.com/articles/gitam-gat-eligibility-criteria/amp
All the best!
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