Hello Devadath,

Top Institutes that offer B.Tech Printing Technology are:

UNIVERSITY OF CALICUT, CALICUT

Admission to this program, like most B.Tech. programs, is through an entrance test. However, there are certain universities which may allow merit-based direct admission.

ENTRANCE EXAMS

 There are many colleges which set entrance exam as a criterion to get into this course. Entrance exams questions are mainly from Physics, Chemistry and Mathematics and the difficulty level is of 10+2 level.       

  Two entrance tests is listed below:

1.Joint Entrance Examination (JEE)- The combination of marks scored in 10+2 level examination and in the Joint Entrance Examination.is considered for admission in this course. JEE Mains application forms are released in the month of December and the examination is conducted in the month of April.

2. State Entrance Examinations – Some engineering colleges also admit students who qualify entrance exams conducted by various State Technical Education Boards, such as MH-CET which is conducted for admission to engineering colleges in Maharashtra

DIRECT ADMISSIONS

Many engineering colleges in India also offer direct admission to the program on the basis of marks scored in 10+2. Some of these institutes are 
OM INSTITUTE OF TECHNOLOGY AND MANAGEMENT, HISAR and  SOMANY INSTITUTE OF TECHNOLOGY AND MANAGEMENT (SITM), REWARI

For further information you can visit the official websites of these colleges.
All the best !