hi,

see nitie mumbai, evaluates both of academic score and gate score , and your score is not enough to get admission in nitie mumbai or old iits, however you have decent chances in nits, iit guwahati, ISM dhanbad, jadavpur university, iiest shiv pur in instrumentation engineering departments. however cutoff scores changes year to year, depends on various facts like number of participants, questions difficulty level etc. you may follow the below link to know about your predictable colleges,