Dear sir, How much duration for the Diploma holder in B.Tech?

For diploma holder there is later entery for 3rd sem.Total 3 yr course.

3 years

The students with Diploma in respective branches with first class are eligible for direct admission to second year Engineering as per the rules of Directorate of Technical Education, Madhya pradesh. In such a case, the course will be of 3 years for diploma holders.