New Delhi, Sept 24 (ANI): Congratulations poured in on Wednesday for the Mangalyaan team of ISRO after the Mars Orbiter Mission successfully entered the orbit of the red planet. With this India became the first nation in the world to be successful in reaching Mars in its very maiden attempt. US space agency National Aeronautics and Space Administration (NASA) sent in a congratulatory tweet saying, "We congratulate @ISRO for its Mars arrival! @MarsOrbiter joins the missions studying the Red Planet. #JourneyToMars." India's political fraternity was also quick to send greetings at ISRO's grand success. Vice President Hamid Ansari, Congress President Sonia Gandhi and Vice-President Rahul Gandhi, BJP leader Subramanian Swamy and Aam Aadmi Party chief Arvind Kejriwal extended greetings to ISRO scientists and all others concerned with the Mangalyaan mission.