To use the client successfully, ensure you have completed the preliminary steps found on the ISRO e-Procurement Help page Vendor Registration : Completion of the Vendor Registration Process is mandatory before using the bidding client. System Pre-requisites
While the name sounds technical and official, there are several "red flags" suggesting this is likely (specifically a Trojan or information-stealer) rather than a legitimate government application. Isro-eprocclient.zip Download