[2] Lalhmangaihkima made his debut for the club, on 25 February 2019, against East Bengal, by coming on as a substitute for captain Alfred Jaryan in the 84th-minute of the game, which ended in a 1-1 draw.
[6] Lalhmangaihkima played his third match of the season for Aizawl against Chennai City FC in the return leg on 17 December 2019 which ended in a goalless draw.
[7] Lalhmangaihkima was consecutively used as a substitute for a streak of 5 matches until he makes it to the starting lineup against the Kolkata Giants, Mohun Bagan on 30 November 2019 which ended 0-0.
Lalhmangaihkima played his only match of the 2020-21 I-League season against Chennai City FC as a substitute for Alfred Jaryan on 20 March 2021, which they won 1–3.
[14] On 3 September 2021, he signed a contract extension with the club along with eight other players, ahead of the 2021–22 I-League season.