hi,

tamil nadu government polytechnic college do not offer diplomain printing technology, it has diploma courses on following streams,

CIVIL ENGINEERING

MECHANICAL ENGINEERING

ELECTRICAL AND ELECTRONICS ENGINEERING

MECHANICAL ENGINEERING

COMPUTER ENGINEERING

POLYMER TECHNOLOGY

PLASTIC TECHNOLOGY

you may follow the below link to know about colleges which offers diploma in printing technology in tamil nadu,

https://engineering.careers360.com/colleges/list-of-diploma-in-printing-technology-colleges-in-tamil-nadu