[19] He returned to the club after winning the 2016 Indian Super League title with Atlético de Kolkata for the 2016-17 I-League season in early 2017.

In July 2014, it was announced that Kotal would be among 84 Indian players who would be a part of the 2014 ISL Inaugural Domestic Draft, being available on loan from Mohun Bagan.

[24] He made his debut for the club in the Indian Super League on 18 October against Mumbai City FC.

[26] On 14 June 2016 it was announced that Kotal had signed with Atlético de Kolkata (later ATK) on loan for the 2016 Indian Super League season.

Kotal started in the match and played the whole 90 minutes, as Atlético de Kolkata drew 2–2.

Kolkata faced Mumbai City in the semi-finals,[29] and progressed through to the final on an aggregate score of 3–2 from both legs.

[30] During the second leg of the semi-final against Mumbai on 13 December, Kotal was involved in a brawl that broke after the final whistle of the game.

[33] Kotal thus won his maiden ISL title, and Atlético de Kolkata was emerged as the champions for the second time in their history.

[35] He played his debut match for the club against FC Pune City on 22 November 2017, which ended in a 2–3 victory for Delhi.

[40] Kotal scored his first goal of the season against his former club ATK on 17 October, which ended in a 1–2 loss for Delhi.

Kotal stayed two seasons at Delhi Dynamos, and left the club to return to ATK in January transfer window.

[42] In the late 2018, it was being reported,[43] and later confirmed that Kotal would be returning to ATK after the 2019 AFC Asian Cup in the January transfer window.

[58] Mohun Bagan qualified for the Indian Super League final in their maiden season after defeating NorthEast United FC on an aggregate score of 3–2 in the semi-finals from both legs.

[67] Mohun Bagan swapped Kotal for Sahal Abdul Samad and reportedly paid a transfer fee of 90 lakhs to the Blasters.

[69] On 21 September, Pritam made his debut for the club in the Indian Super League, in the season opener against Bengaluru FC at home, which the Blasters won 2–1.

[71] After successfully going through a trial, Kotal was selected into the squad that went on an exposure trip to China before playing for the side during the 2012 AFC U-19 Championship qualifiers which India failed to make.

[78] He played the full match but earned a sixth minute yellow card as India won 2–0.

[79] Nine months later, on 3 January 2016, Kotal helped India clinch the SAFF Championship, when they defeated the reigning champions Afghanistan 2–1 in extra-time.

[100] In March 2020, he donated Indian rupees 50,000 to the West Bengal Chief Minister's fund for the COVID-19 pandemic.