"L&T Heavy Engineering had played a key role in ISRO's Mars orbiter mission as India became the first country to successfully enter Martian orbit in its maiden attempt," the company said in a statement.
"L&T was a significant private-sector supplier to this momentous mission - a significant milestone in India's space programme," it added.
The statement came soon after India created space history by successfully placing its low-cost Mars spacecraft in orbit around the Red Planet in its very first attempt, catapulting the country into an elite club of three nations.

"L&T Heavy Engineering was closely involved in the project that helped India become the sixth nation - after the US, Russia, China, Japan and the European Union - to launch a mission to the red planet. L&T had supplied the critical launch systems and tracking equipment," the company said.
The launch of the 44.4-metre, 316-tonne PSLV-C25 which was rocketed into orbit using S139 motor casings including the IRS Type mechanisms for deployment of satellite solar panels were manufactured at L&T's Aerospace Shop at Powai, the company said.
The electronic packages were mounted on the upper stage of PSLV-C25 and the heat shield using honeycomb deck panels were manufactured at L&T's Advanced Composite facility at Vadodara.
"The tracking systems like the 32-m diameter Deep Space Network Antenna at ISTRAC's tracking facility was installed and commissioned by L&T's Aerospace business - which also manufactured the antenna's mount structure and 13-m diameter bull gear (made for the first time in India)," it said.
PSLV-C25 was tracked by C-Band precision mono-pulse tracking radar developed indigenously by L&T.

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