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Department of Space, Indian Space Research Organisation


The current e-procurement site is proposed to switch over to new website. All the registered/new vendors are requested to visit new website at https://eproc.isro.gov.in and validate your credentials for participating with ISRO centres.

Request transponder capacity

The HTS capacity on-board GSAT-11 and GSAT-19 satellites are available for open allotment. Interested users are requested to apply through ICRF. For any clarification, users may get in touch with SATCOM Programme Office (080 2217 2317; nilanjan[at]isro[dot]gov[dot]in)

Request for transponder capacity for long term use

Guidelines for application: click here

Application form: click here

Request for Transponder Capacity for Occasional Use

Guidelines for application: click here

Application form: click here


For further information, please contact:

For technical information For commercial information
SATCOM Program Office
Phone: 080 2217 2317
            080 2217 2381
Email: spi.satcom-po[at]isro[dot]gov[dot]in

Manager,Business Development
New Space India Limited
Phone: 080 2217 2688
Email: sumit-nsil[at]isro[dot]gov[dot]in

Sr Manager(SATCOM)
Antrix Corporation Limited
Phone: 080 2217 8328
Email: sonali[at]antrix[dot]co[dot]in