Hii!
You don't need to worry about making a career after ITI. This is because, it's a good field with lot of opportunities and you can join jobs at public or private sectors as per your specialisations.
The link given below may help you with lots of information.

https://www.google.com/amp/s/www.careers360.com/careers/career-after-iti/amp

Hope this helps.
Good luck!