The successful launch of Polar Satellite Launch Vehicle or PSLV C-40 that placed a 710-kg Cartosat-2 satellite, seventh of the series, and 30 co-passenger satellites on Friday morning was met with elation and relief at Indian Space Research Organisation (ISRO).
ISRO demonstrated the multiple burn technology that it tested in previous three launches and the space agency also placed in orbit India's 100th satellite. 
“ISRO is starting 2018 with the successful launch of Cartosat, a nanosat, microsat and 28 customer satellites,” ISRO’s outgoing chairperson AS Kiran Kumar said.
“We are happy to provide a new year’s gift to the country,” he added.
The Cartosat-2 remote-sensing satellite, the main payload onboard the PSLV C-40, will boost data services for users that will be used in urban and rural applications, coastal land use and regulation, monitoring of road networks, water distribution, land use mapping.
The other satellites includes one microsatellite and one nanosatellite from India as well as three microsatellites and 25 nanosatellites from Canada, Finland, France, Republic of Korea, the United Kingdom and the United States. The total weight of all the 31 satellites onboard the PSLV-C40 is about 1323kg.
The space agency is looking forward to major missions - the second onboard the GSLV and the Chandrayaan II launch - this year and by June, it hopes to deploy 250 satellites.