Dhruva Space's Thybolt-1 & Thybolt-2 BhutanSat (aka INS-2B) The PSLV-C54 [1] was the 56th mission of the Indian Space Research Organisation's Polar Satellite Launch Vehicle (PSLV).

It was launched on 26 November 2022[2][3] with the Oceansat-3 satellite and Thybolt nanosatellites of Dhruva Space from Satish Dhawan Space Centre, Sriharikota, Andhra Pradesh, India.

Primary payload: EOS-06 (aka Oceansat-3) (1117 kg) satellite.

(last s/c separation) Target Orbit 1 : 738 km (SSPO), Inclination = 98.34° Target Orbit 2 : 511 km (SSPO), Inclination = 97.45° Two Orbit Change Thrusters (OCT) introduced in the Propulsion Bay Ring.

The PSLV C54 rocket has four stages; each one was self-contained, with its own propulsion system, thereby capable of functioning independently.