Try to learn greythr if you are looking at HR jobs in small businesses and payroll jobs in anywhere or with payroll outsourcing consulting firms. Small and medium sized firms in IT, Knowledge, Services in Bangalore, Hyderabad, NCR, Chennai, Pune etc. are using greytHR primarily for Payroll and HR.
Investing heavily on SAP or Oracle for HR is not worth because the number of firms in India who run on these solutions are less now a days.