Account Aggregator App! Harness the power behind your financial asset. NADL AA is a user-friendly, safe, and secure account aggregator application from NESL Asset Data Limited (NADL), which is a wholly-owned subsidiary of National e-Governance Services Limited (NeSL). NADL is the only Union Government company to obtain the operating license of RBI** to offer account aggregation services. The application collects and provides the information of the customer's financial assets in a consolidated,