The data carries a high importance in the NSDL depository system. NSDL has taken necessary steps to protect the transmission and storage of data. The data is protected from unauthorized access, manipulation and destruction. The following back up practices are adopted to protect the data:

• Local Back up
• Remote Back up
• Disaster Recovery Site

In addition to this, every DP is required to take daily back up, at the end of each day of operation.