Hello student I'm sorry to inform you but as per source there's no job in isro after Msc EligibilityforISRO Recruitment

Candidates must have qualified B.E/B.Tech or equivalent qualifying degree in first class with an aggregate minimum of 65% marks or CGPA of 6.84 on a scale of 10.ISROis strict about the CGPA or marks and doesn't consider anything less than the given criteria

Feel free to comment if you have any doubt
Good luck