Along with Cartosat-3, 13 commercial nanosatellites were also launched

Along with Cartosat-3, 13 commercial nanosatellites were also launched by ISRO in November, 2019. These 13 commercial nanosatellites are from

Russia
Canada
USA
Japan
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UPSC CISF-AC-EXE – 2020
In November 2019, the Indian Space Research Organisation (ISRO) successfully launched Cartosat-3 satellite along with 13 commercial nanosatellites aboard PSLV-C47. These 13 nanosatellites were commercial payloads from the United States of America. They were launched as part of commercial arrangements through NewSpace India Limited (NSIL), a Government of India company under the Department of Space.
ISRO frequently launches commercial satellites for various countries as part of its commercial services. In this specific launch (PSLV-C47 in Nov 2019), the commercial payloads were from the USA.
Cartosat-3 is an advanced earth observation satellite with high-resolution imaging capability. The launch took place from the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. This mission demonstrated ISRO’s capability to launch multiple satellites in a single mission for both domestic and international customers.