A pass in 12thStandard of Tamil Nadu HSC (Academic) with mathematics, physics, and chemistry or equivalentFor SC/ST candidates, a mere pass in the qualifying examination will suffice and the minimum marks are the same as the passing minimum for the HSC/Diploma of the State of Tamil Nadu. Candidates belonging to communities other than SC/ST should have obtained the following minimum marks(i) For Communities other than BC/MBC&DNC/SC/ST- other communities: A minimum average of 55% and above in Mathematics, Physics, and Chemistry(ii) For BC communities: A minimum average of 50% and above in Mathematics, Physics, and Chemistry.(iii) For MBC &DNC Communities: A minimum average of 45% and above in Mathematics, Physics, and Chemistry