Barretto signed for I-League club Gokulam Kerala in 2020.[5] He played his debut match for the club in the club's first match of season against Chennai City FC on 9 January 2021 as a starter in lineup, which ended 1–2 to Chennai City.[6] He made thirteen appearances for the club and won the 2020–21 I-League title with the club.[7][8]
Kerala Blasters
On 8 July 2021, Indian Super League club Kerala Blasters announced the signing of Barretto by paying an undisclosed transfer fee on a three-year deal.[9][10] He made his debut for the club on 11 September 2021 against Indian Navy in the 2021 Durand Cup,[11] which they won 1–0.[12] Barretto made his ISL debut in the 2021–22 Indian Super League season match on 25 November 2021 against NorthEast United FC,[13] which ended up in a goalless draw.[14] On 23 February 2022, he scored his first career debut goal with the Blasters through a volley from outside the box in their 2–1 defeat to Hyderabad FC.[15][16] He scored his second goal, again as a substitute against FC Goa on 7 March, which ended in a high-scoring 4–4 draw.[17]