Thoi started his career when representing his state Manipur in the Mir Iqbal Hussain Trophy, a National level under-16 sub-junior trophy. Thoi signed his first professional contract with Chennai-based Indian Bank in 2006 to represent them in the I-League 2nd Division.
Senior career
His performances with the southern side attracted the interest of Maharashtra-based Mahindra United, where he signed a 3-year contract in 2007. The highlight of his time at Mahindra includes a tournament winning goal in the final of the 2008 Durand Cup against Churchill Brothers. Thoi joined Goan-based Salgaocar in 2010 for the 2010-11 season where he won the league with Salgaocar, though only appearing 8 times and scoring once, and was predominantly used as a squad player. He accepted Bhaichung Bhutia's inviatiton to play for I-League2nd Division team United Sikkim, where he stayed for two seasons, appearing regularly in the 2011 season and 2012 season alongside Bhutia, Renedy Singh and Sandesh Jhingan. While UnitedSikkim gained promotion, Thoi's services was enlisted by newly formed Mumbai Tigers, then known as Dodsal FC for the 2013 I-League 2nd Division. Thoi became the first player to score for the Mumbai-based team when he scored against Army Red in their first professional game on 25 August 2012 at the Ambedkar Stadium in Delhi in the 2012 Durand Cup. Thoi scored twice in the tournament as Mumbai Tigers reached the final, but were beaten 3-2 on penalties by Air India. Thoi would then be picked up by another newly formed Bangalore based team Bengaluru FC for the 2013-14 I-League. He made 21 appearances in the I-League for Bengaluru FC in the central midfield and scored thrice and helped his side win the league in their first professional season in Indian football. He would continue with Bengaluru for another season by winning the 2014-15 Federation Cup before making 16 appearances and scoring 5 times in the 2014-15 I-League as his team finished runner-up behind Mohun Bagan. Thoi along with Robin Singh and Sunil Chhetri were contracted to the Indian Super League and will be loaned back to Bengaluru FC for the 2016 I-League season. He was picked up by Chennai-based Chennaiyin for the 2015 Indian Super League for INR 8.6 million during the 2015 ISL Auctions, making him the 3rdmost expensive Indian player in the ISL only below his teammates at Bengaluru FC, Sunil Chhetri and Eugeneson Lyngdoh. He recently signed for Mumbai FC for the 2017 I-League Season.
