@ Sanchit
Hai, go through the below link for SAP FICO Details to get an idea. I can say CA with SAP-FICO is the superb combination to get higher packages. Time being till the results, you learn this course, may be around 6 months and then apply for companies which have implemented SAP. CA with this course training will definitely makes you different from other Fresh CAs. FICO stands for FInancial COntrolling. SAP stands for Systems Applications and Products.
https://www.sapendusers.com/training.php
You can also consider doing Certified Information Systems Auditor from ISACA, which is also the demanding course now a days, particularly in banks. This course is also recognised worldwide. For details on this course refer below link. This course is an objective type exam purely. Already you have studied the IS Audit in Finals.. That will helps you.
https://isaca.org.in/CISAfaq.html
You can also consider doing Certified Internal Auditor from The Institute of Internal Auditors, USA. This is also i guess to be fully objective type exam. This course is useful if you want your future in internal audit. It has also recognition globally. Refer below link for more details.
https://www.iiaindia.org/cia.asp
Hope above ideas will make ur career in right path in a bright manner..