Hi Radhika, see as you are MBA- HR and have experience with Recruitment and heading a department, you also required to enhance your skills and knowledge with every function of HR and also need some value added skills therefore, SAP-HR certainly gonna help you.
Second, i request you to make a research at your own to know the value and scope of SAP-HR, so that, you can understand why I recommend this and how this gonna help you in your career. This is a Time and Current Industry demand too as i said above.
SAP HR System provide solution service for Human Resource Management in the enterprise and enables us to effectively manage our work. It covers Organizational Management(OM), Personal Administration (PA), Time Management (TM), Payroll (PY), Personal Development (PD), Performance Management (PM), Enterprise Learning (EL or Training Management), E-Recruitment (Recruitment Management) and more.
For more you can visit to :
https://www.citehr.com/326592-sap-hr-module.html and also i advise you to join
SAP Help | Training | Support | Jobs | ERP | Careers | Download | Consulting | Resume | Books | Modules | SAP Techies that will enable to you get in touch with every development in this field, give you more chances to learn and much more things.. I personally found it really helpful.