[1] He attended St. Antony's School, Thanjavur where physical education teacher Suresh recognised Premkumar's potential and encouraged him to pursue athletics.

He joined Pachaiyappa's College Higher Secondary School, and was coached by Nagarajan at the Prime Sports Academy.

He represented the academy at the 84th Senior State Athletics Championship held in Coimbatore in May 2011, and won a gold medal with a jump of 7.75 metres (25.4 ft).

The previous record was held by Maha Singh, who jumped 7.49 metres (24.6 ft) at the 2006 Asian Indoor Athletics Championships in Pattaya, Thailand.

[2] He competed in the 2012 World Junior Championships in Barcelona, Spain and finished 16th in the qualification round with the best jump of 7.38 metres (24.2 ft), which was not sufficient to qualify him for the final.