Tally

B.Com is a Bachelor degree. In my opinion, Tally is no way helpful in completing a degree. I think tally software learning not a part of the syllabus. So tally is not at all important in your studies. But If you want to work as an accountant, or as a Finance professional, Tally knowledge is highly desirable, because many of the business implemented tally erp 9 as their accounting or business administration software. Nowadays tally is a complete payroll software, so you will need it if you want to be an HR professional also.

+2 pass with 60% aggregate marks.
That's all.
Good luck.

If you are poor in study, then I am afraid you will not able to do any demanding course. Also, ICWA is not a valid course as far as I can tell. If you are asking about CA course then understand that it requires very hard work.

Tally ERP 9 accounting software is widely preferred in India and throughout the globe, approximately in 17 international locations.
It has a wider scope.

You are eligible for the post Of LDC or MS etc in the central government. From my opinion, you have to prefer weekly Employment news.

You can go for a Bachelor's degree in commerce and greet yourself Tally certified or you can go for Diploma in accounting.

You can join any time for doing Tally+GST. Visit your nearest computer academy.

Tally started its own educational institute and appointed channel partners. Here is a link:
https://www.tallyeducation.com/teplwebsite/html/tally/

You can pursue MBA along with CA and CMA.