The infrastructure of D.T.E.A. Mandir Marg school is upgraded periodically. The computer lab is a swanky and an up-to-date lab with marble flooring and strong teak-wood doors. It is fitted with air-conditioners. The computers have next generation technologies like windows XP and Pentium IV. There are 22 computers in the school. Three faculty members are in charge of the lab along with an I.T. assistant.

The 'Physics lab' is a well ventilated room with convenient work tables and modern apparatus required for conducting experiments as per C.B.S.E. Syllabus.

The chemistry lab was recently updated and a marble flooring was laid. The apparatus and weighing machines are of superior quality and they are sufficient in numbers so that all the students can do experiments peacefully.

Our biology lab is, of course, a very ventilated lab with a large number of charts on display. There is a modern 'Audio-visual'. Projector which is profitably used to enlighten the students about difficult units in the curriculum. Since the school has a well-equipped computer lab the school has purchased a number of V.C.Ds pertaining to the subject.

The library boosts of an impressive collection of six thousand books. The library has upgraded reference books in all the subjects. It has an interesting collection of story books for all ages. The magazines are displayed on magazine racks. Open access system is followed in the library. The librarian is cooperation personified.

Few schools can beast of a big playground like D.T.E.A. Mandir Marg can and the school has ample sports material.