Can I do BA after diploma in EC in corresponding
Do rethink before taking up BA after the completion of Diploma in electronics and communication as all your efforts put into the completion of Diploma will go in vain as BA is a totally different career path. However you can do BA in correspondence if you still wish to pursue it.
Refer the following link for your reference
http://www.google.com/amp/s/university.careers360.com/articles/distance-learning-courses-we-answer-your-queries/amp
All the best
I pressume that you are asking about Bachelor's Degree in Electronics and Telecommunication.in that case it is possible to complete your BE in Correspondence with some of the best institutes in india like Indira Gandhi National Open University,Sikkim Manipal University.
you can visit this article to help you choose a suitable long distance education institute https://www.careers360.com/articles/Universities/Ranking-30-best-distance-education-institutes-in-India