New Delhi: Indian steel companies Tata Steel and Jindal Stainless played key roles in the success of the Chandrayaan-3 lunar mission, which landed on the Moon's south pole on Wednesday. Tata Steel said its crane technology helped in assembling the Fat-LVM3-M4 rocket. The company provided an electric overhead travelling (EOT) crane, manufactured in Jamshedpur. “The company's cutting-edge crane technology played a crucial role in the seamless assembly of the launch vehicle used in the landmark lunar mission. Tata Steel supplied the remarkable electric overhead traveling (EOT) crane that was installed at the Satish Dhawan Space Centre," Tata Steel said in…