ERP

Hi Deepak,
Tally is an accounting package which you may use for your day to to accounting and final accounts whereas SAP comes with bigger roles and application for overall enterprise level tool. SAP has multiple module with a combination of BPM and flows of different area of business.
Comparing SAP with Tally is bit unfair in order to scope and function. If you are from a accounts background and I presume you are new in industry then Tally is a package you need to learn in first place so that you will get to know how a software can help you for day to day accounting work but down the line SAP will help you on higher side for management reports/decisions/ capability and analysis.

Tally.ERP 9 has all the features required for high-performance business management. Tally.ERP 9 has been designed with an individual in mind. Powerful connectivity makes information available with your staff, CA and other professionals, round-the-clock, in any place. It's also quick to install and allows incremental implementation-a novel capability that lets you activate just as many of its functions when required, even across locations. The scope of pursuing Tally depends on your interest and also if you have any work experience in the field of accounts. Tally can be opted by anyone who has the required interest in this software.
Tally is accounting software which has a lot of demand in today's time. It is a complete business accounting software which can be managed well in small and medium sized businesses. Tally is a complete accounting and inventory management software, offers various facilities to its users. Tally is highly robust and reliable. It uses signaling quality data integrity checks regularly to ensure the reliability of data. The scope of pursuing Tally depends on your interest and also if you have any work experience in the field of accounts. Tally can be opted by anyone who has the required interest in this software.