Tally

Five years after what? Please specify if you had a gap or are you working for a better guidance.

Generally, banks have large ERP package tailored for all banking functions. But, Tally support some banking functions, which banks and non-banking business enterprises can use.
You can refer to the below mentioned link for further details:
http://www.tallysolutions.com/products/tallyerp9/tallyerp9-whatsnew-Banking

You can check the below mentioned link:
https://www.shiksha.com/search/?q=SAP&c=10&sc=116&sa=130^^0^0^0^0^0&ts=1813807&rf=searchwidget&ct[]=130

You can try to pursue CFA to switch your career to finance.
You may pursue CFA by following modes:
1. CFA (USA): You can pursue it from a recognized training institute for CFA in India.
2. CFA (India) from ICFAI: They will also assist you to get a job in good financial companies.
All the best.

The basic understanding of computer fundamentals in a necessity in all job today. Expertise in Tally and Excel will definitely help you in your day to day in any industry particularly in finance and accounting roles.

Hi Saurabh,
What is your educational qualification and area of interest?

If you want to get into Accounting, you can learn Tally. Its a good skill to add.