After good performances at university-level tournaments, he joined the district Under-21 side, and then the Kerala team, to compete in the Santosh Trophy.
[4] Sahal's performance in the 2017 Santosh Trophy was noted by scouts of Kerala Blasters,[4] who signed him to his first ever professional contract and put him on the reserve side for the 2017–18 I-League 2nd Division.
[6] Due to the team's poor performance, Rene was sacked after the match and David James took over for the rest of season.
Sahal debuted for the senior side as a substitute for the former Manchester United player Dimitar Berbatov in the 80th minute of a match against ATK on 8 February 2018, which ended in a draw.
[18] On 20 December 2020, Sahal made his comeback from the quads injury, that had sidelined him for a month since his first match on November 20 in the 2020–21 Indian Super League season.
He came back as a substitute in the 46th minute and provided an important assist to Jeakson Singh who equalized in a 1–1 draw against East Bengal during the stoppage time.
[25] He was then included in the Kerala Blasters squad for the 2021 Durand Cup,[26] and played his first match in the tournament against Delhi FC on 21 September 2021, which they lost 1–0.
[27] Sahal scored his second goal for the club against ATK Mohun Bagan on 19 November in the 2021–22 season opener, which ended in a 4–2 defeat for Kerala Blasters.
[28][29] On 19 December, he scored against defending champions Mumbai City, which the Blasters 0–3 after Sahal opened the score-sheet in the 27th minute.
[39] After the match, Sahal suffered an hamstring injury, which had him missed out from the Blasters' squad in the second leg of the semi-final and the final against Hyderabad FC.
[40] At the end of the season, Sahal became the joint-second highest Indian goal-scorer in the league with six goals, sharing the record with Mumbai City's Bipin Singh.
[42] In June 2022, Kerala Blasters sporting director Karolis Skinkys revealed that IBV Westmannaejar, that plays in the Icelandic top-tier league Besta-deild karla, were keen on signing Sahal on a short-term loan deal until the end of August.
[48] Sahal played his last match for the Blasters against Bengaluru FC in the Southern Derby on 16 April in the Super Cup as a substitute for Vibin Mohanan in the 90th minute, which ended in a 1–1 draw.
[55][56] Sahal made his debut for the Indian senior team on 5 June 2019 in a 3–1 loss against Curaçao in the 2019 King's Cup.
[59][60] He scored his first international goal against Nepal on 16 October 2021 in a 3–0 victory in the final of the tournament after coming as a substitute in the 86th minute.
[74][75][76][77] Sahal was born on 1 April 1997, in Al Ain, UAE into a Malayali family which originally hails from Kavvayi, Payyanur in Kannur.
He donated the proceeds of the auction to Kerala Chief Minister's Distress Relief Fund to help prevention activities during the COVID-19 pandemic.