[4][5] Impressed with his form, India U19's coach Lee Johnson called him up to represent the AIFF in the 2015 Asia U18 Champions Trophy,[6] where the team reached the semi-finals before losing to Japan's Kashima Antlers over two legs.
[7][8][9] He was retained by DSK to play in the re-formatted 2015–16 I-League U18, where he helped his team qualify for the final round again with 9 goals in his name from the Maharashtra zone.
[10] DSK finished 3rd in the final round of the playoffs, where he scored 2 more goals, thus taking his tally to 11 for the season.
[14][15] He made just one appearance for the club, that was against Mumbai City FC as a substitute for Robin Gurung on 5 November 2016 in the 74th minute of the match, which ended in a 0–1 defeat for NorthEast United.
[17] Chhangte returned to DSK Shivajians after his loan term at NorthEast United for the 2016–17 I-League season.
[18] He played his debut match for the club against Mumbai FC on 8 January 2017, which DSK ended up losing 1–0.
[20] Chhangte then played his last match for DSK on 20 April against Minerva Punjab, which ended in a high scoring 4–4 draw.
[21] For 2017–18 Indian Super League season he was picked by Delhi Dynamos (current Odisha FC) from the draft for 27 lakh rupees.
[39] He scored his debut goal for the club in the Southern Derby against Kerala Blasters FC on 20 December, which they won 3–1 after the final whistle.
[44] Chennaiyin had a staggering campaign, as they went on to qualify for the knockout stages of the 2019–20 Indian Super League season.
[50] Chhangte played his first match of the 2020–21 Indian Super League season on 24 November 2021 in a 1–2 victory over Jamshedpur FC.
[51] He scored his first goal of the season on 26 December 2020 against East Bengal, where he opened the scoresheet of match, which ended in a 2–2 draw.
[55] Chhangte's first match of the 2021–22 Indian Super League season was away against Hyderabad FC on 23 November 2021, playing the full 90 minutes in a 1-0 win for the club.
On deadline day of the January transfer window, Chhangte left Chennaiyin to join fellow ISL club Mumbai City FC.
[56] Chhangte joined fellow ISL club Mumbai City FC on an initial six-month loan in the January 2022 transfer window, with a pre-contract agreed, which would be triggered at the end of the season.
[57] He later revealed that then-Mumbai head coach Des Buckingham had "promised that he will build me (Chhangte) into a different player and make him better, both as a footballer and a human.
Chhangte began the 2023–24 season with a 0–2 loss versus Nassaji Mazandaran in the 2023–24 AFC Champions League.
[68] As he did in the 2022 AFC Champions League, Chhangte once again featured in every game Mumbai played in the 2023–24 AFC Champions League, but the campaign wasn't as fruitful for The Islanders, as they were knocked out in the group stage of the competition with zero points, and only one goal was scored throughout the six matches they played.
In the sixth minute of injury time, Jayesh Rane stabbed the ball into Chhangte's path, who scored his second goal of the match, completing the comeback for Mumbai City FC.
[73] In the final, they faced Mohun Bagan SG again, but this time Mumbai won the match 3-1, securing the club's second ISL Cup in their history.
Playing centrally, he made a run from deep to score a composed finish into the bottom corner in the 39th minute.
[85] On 19 February 2025, Chhangte made his 100th appearance (in all competitions) for Mumbai City, in a 0-0 draw away to Hyderabad FC.
[86][87] Lallianzuala represented India U19s for the 2016 AFC U-19 Championship qualification, appearing three times in a disappointing campaign.
[101] His brother CVL Remtluanga is a footballer, who currently plays for the reserve side of Odisha FC.