Most of the state technical councils in India allows change of trade after ITI for joining Diploma in IT. As a result, if you wish to go for the course of Diploma in Information Technology after the completion of ITI in Electrical then yeah! you are eligible. Although, I would advise you to visit the official eligibility page of the college you consider to take admission, in order to get sure regarding the eligibility criteria.

For more information regarding the Diploma in IT course, consider the link below:

https://www.careers360.com/courses/diploma-in-it-information-technology

I hope this helps. Wish you a great eve!