There are no proper technology available in India to catch these criminals as Indian law enforcement is already facing burden of huge amounts of unsolved cases more heinous than tech scamming so LEA can not give proper attention to frame these convicts even if they got caught. India is becoming the scam center of world. Perhaps mainly due to lack of jobs and frustrated youth due to lack of jobs.
To prevent scammers from stealing your personal data use passwords that would be difficult for others to guess. Don't use the same password for every account and don't share them with anyone. Secure your networks and devices with anti-virus software and a good firewall. Avoid using public computers or Wi-Fi hotspots to access or provide personal information.
They usually call Just pick up the phone and pretend like ur getting ur info to give to them and quietly put a big pot over ur phone and bang on it with a wooden spoon then listen to them scream and hang up