wha t is the dif fer enc e bet wee n dip lom a and plo yte chn ic?

Diploma in engineering and polytechnic is same course , duration of this is three year and it can be done at 10 base after that you can get admission in Btech leet(2nd year)

Technical diploma can be in any stream and with different duration however they are offered by polytechnics. So You do diploma from Polytechnics. You can join polytechnic by giving C.E.T. after H.S.C. Diploma are also some short term courses that can be offered by non-polytechnics and they can be va