ISRO_EProcClient.zip is a mandatory software utility required for vendors to participate in the ISRO e-Procurement

The Isro-eprocclient.zip file is a critical software utility designed for vendors, enabling secure communication, digital signature (DSC) enrollment, and encryption for the Indian Space Research Organisation's (ISRO) digital tendering processes. This client-side application ensures bid integrity and compliance through specific installation protocols, including keeping the application active during tender submission to prevent session timeouts. Detailed installation steps are available in the ISRO Client Installation Manual . Procedure for ISRO e-Procurement client installation

The client package typically manages four key utilities required by the portal: Password Utility E-Token Utility Encryption Utility

If you found the file on a random forum, a file-sharing site (like MediaFire or Google Drive link from an unknown sender), or an unofficial download aggregator— assume it is dangerous.