This is the first time a goalkeeper coach from Bangladesh has received such a highest-level certificate.

[8][9][10] He was the goalkeeper coach of Bangladesh in 2021 SAFF Championship.

[13][14][15] In 2016, he achieved AFC Goakeeping Level 1 Coaching Certificate as first Bangladeshi.

[18][19] Nayan is the former goalkeeping coach of both Bangladesh men's football team and Bangladesh women's football team.

[20][21] He played for more than ten years in domestic football.