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ISRO XPoSat Mission: Announcement of Opportunity for Proposals Admission

AdmissionClosedPosted 07 Oct 2026

At a glance

NoticeISRO XPoSat Mission: Announcement of Opportunity for Proposals
Last date30 November 2025

Summary

The XPoSat Mission is India’s first dedicated X-ray polarimetry mission aimed at studying astronomical sources under extreme conditions. The mission was launched on January 1, 2024, by ISRO, providing essential tools for astronomical observations.

This Announcement of Opportunity is specifically for Indian scientists and researchers to submit proposals for observations using the XSPECT payload. Proposals should include necessary scientific justifications and will be planned for observations from January to December 2026.

Who can apply

The announcement is open to Indian scientists and researchers working in the field of astronomy, who can act as Principal Investigators for target observations.

Important dates

Last Date30/11/2025

Selection process

  1. Proposals will be reviewed by the XPoSat Time Allocation Committee for scientific merit and technical feasibility.

How to apply

  1. Submit proposals through the XPoSat Proposal Processing System.

Preparation tips

  • Ensure your proposals have necessary scientific justifications.
  • Use available tools for estimating observation time.
  • Familiarize yourself with the proposal submission system before applying.

Frequently asked questions

What documents do I need for admission?
Usually mark sheets, a photo ID, a category certificate if needed, passport-size photos and the exam score card. The official notice lists the exact documents.

What if I miss the last date?
Late registration is often not accepted, so finish the steps a few days before the last date.

Is a fee charged for registration?
It depends on the process. Check the fee section of the official notice, and pay only on the official website.

Apply / Official Notification

Details are collected from official notices and public sources. Check the official notification before you apply or pay any fee.

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