[7] His major achievement during his playing career was the 1993 South Asian Games gold medal.

Maharjan led the national team to victory in the 2015 SAFF U-19 Championship and again in 2016 Bangabandhu Cup.

On 1 June 2016, Bal Gopal was appointed manager of Brothers Union on a three-month contract,[9] thus becoming the first Nepali to lead a top-tier club in another country.

On 25 August 2018, he was appointed as the interim head coach of the national team from Koji Gyotoku, after the Japanese was entangled into visa issues.

[11] On 8 September 2018, Nepal defeated hosts Bangladesh 2–0 to enter the semifinals of 2018 SAFF Championship.