The Mizoram player, popularly called Sena, started his career from the Esthar Academy. Ralte joined Royal Wahingdoh and helped his team earn promotion to the top division in 2013-14. Playing in the Hero I-League, the left back developed a good understanding with Jackichand Singh and helped his team finish third in the Hero I-League 2014-15. His tough and effective approach earned him Chennaiyin FC's interest in 2015 as he featured in six games for the Super Machans. At Mumbai City FC and Delhi Dynamos, he showcased his true potential, which earned him a contract offer from ATK for the 2018-19 season.