Please answer the following question: Given the following passage  "In India there are many polytechnic institutes and collages that offer a polytechnic education. In India a Diploma in Engineering is a specific academic award usually awarded in technical or vocational courses e.g. Engineering, Pharmacy, Designing, etc. These Institutions offer three year diploma in engineering post Tenth class. These institutes have affiliation from state bord of technical education of respective state governments. after which one can apply for post of junior engineer or continue higher studies by appearing for exams of AMIE to become an engineering graduate.",  answer the following question. Note that the answer is present within the text.  Question: Where is a engineering diploma at?
A:
polytechnic institutes