He did his schooling from St. Stephen's in Chandigarh. This is where he started playing football at the age of 10. The 18-year-old comes from Dehradun in Uttarakhand and is currently plying his trade at the AIFF Elite Academy based in Goa.
In 2013, Thapa won the SAFF U16 Championship. He also participated in the AFC U16 Championship where he scored once in four appearances.
The attacking midfielder went to Malaysia to compete in the Asia U16 Championship in 2014.
In 2015, Thapa was the youngest member selected to be part of the India U19 squad who were runners-up in SAFF U19 Championship. Thapa scored twice in four matches in the competition.
He won the U19 I-league in 2015-2016 season when he captained the AIFF Elite Academy. He played 14 games and notched up three goals.
Thapa's family backs him to the hilt.
Football is his love, he eventually sees his growth in the world's most followed sport. Aspiring to become one of the best, he continues to dream to play for the national team in the foreseeable future.