Career
Considered one of the brightest youngsters in India, Deory"s strengths are his raw pace, powerful running, technical dribbling and robustness that defies his age. Early career
Born in Guwahati, Assam, Deory started his career when he joined the football program of the Sports Authority of India in Assam. He then joined the Tata Football Academy in 2011 but only stayed for three-months before traveling to Florida in the United States to join the Image Academy after receiving an Image-Reliance Scholarship.
While at the Image Academy, Alen was a part of the India Image Academy team that defeated the United States women"s senior team in a friendly match 4–0.
After spending a couple years at the Image Academy, Deory came back to India to join the AIFF Elite Academy Academy in Goa. While with the AIFF Academy, Deory, along with teammate Udanta Singh, took part in the Nike All Asia Camp where they were both selected to join the All-Star squad in Australia.
Shillong Lajong
On 21 July 2014, it was announced that Deory signed his first professional contract when he signed for Shillong Lajong in the I-League. = NorthEast United (loan) After signing for Shillong Lajong, Deory sign on with their Indian Super League affiliated club, NorthEast United, on loan for the 2014 season.
Deory then made his professional debut for NorthEast United on 8 November 2014 against Chennaiyin Football Club. He came on as a 61st-minute substitute for Seminlen Doungel as NorthEast United drew the match 2–2.
Deory has played for India at the under-13, under-14, under-16, and under-19 levels. He made his debut for the under-13 side in 2009 before joining the under-14 side the next year. Deory was a part of the under-16 team that played in the 2012 AFC U-16 Championship and then the under-19 team fort the 2014 AFC U-19 Championship qualifiers.