[1] Najib Aga won the silver medal in the 65 kg category at the 1995 Asian Judo Championships in New Delhi.

[2] He won the gold medal in the 73 kg weight category, in the 1998–99 Senior national Judo Championships in Bangalore.

[3][4] In the 1997 International Judo Championships in Indonesia, he won the bronze medal in the 71 kg class.

[5] He also represented the Border Security Force at the all-India Police Games and won medals, including a bronze in 2005, in the 66 kg category.

[7] In 2010, he contested in the BBMP municipal elections of Bangalore, from ward number 111, Shantala Nagar.