Hello Kiran Kumar

Here are colleges offering Integrated course in diploma and engineering in Tamil Nadu

VIT unuversity , Vellore

Karunya Institute of technology and Sciences,  Coimbatore

Hindustan Institute of technology and Sciences ,Chennai

Amrita school of engineering. Coimbatore

PSG college of technology , Coimbatore

Sastra Deemed university,  Thanjavur

VEL tech Rangarajan Dr.Sagunthala R and D Institute of science and technology , Chennai

Barath Institute of higher education and research , Chennai.