The State Rugby Association, which got recognised by the Kerala State Sports Council in 2018, has been at the forefront of the mission to popularise the game in the state, organising events and facilitating training.
Sreenath Lakshmikanth, who hails from Cherthala, won medals in the 120 km Road Race and 41 km Individual Time Trial representing Tamil Nadu at the recent National Games.
Punjab defeated Tamil Nadu 105-103 in extra time to emerge champions in the men's section.
Tendulkar was the brand ambassador when Kerala hosted the National Games in 2015 during the term of the Chandy-led UDF government.
The total number of medals won by the state came down from 162 to 54 this time vis a vis the previous edition of the Games in 2015.
Kerala defeated West Bengal in straight sets in the womne's final. Kerala got the better of Tamil Nadu 25-23, 28-26, 27-25 in the men's gold medal match.
Nikhi Dubey paid tributes to his coach Dhananjay Tiwari by winning the 75 kg gold on Wednesday.
Most of Bengal's goals came from Kerala's mistakes in a game where the latter's players showed poor form in forward, midfield and defence.
In the past, Kerala had never managed to enter a final in Judo.
Kerala are aiming for their third gold having triumphed in 1987 and 1997.