Now Oracle Peoplesoft is known as JD Edwards (JDE). This ERP is widely used in states. There is no harm in getting trained for this ERP. Just masterize it.
you must be thorough with the processes that are in place in market. For example, the business cycle like Procurement to pay or Quote to cash should be known completely. This will help you masterize JDE very easily.
The other ERP like SAP is looking for a slowdown and there is much more saturation. JDE still enjoys niche market. Dont worry, get in.
There are many companies in India which entertains employees having JDE knowledge. Systime LnT infotech, Wipro, Cyrett, And many more