To name some leading lights from the DTEA schools:

• Padmashri 2003 awardee, Mr. M. Natarajan, the brain behind the main battle tank
• the first woman air vice marshal in the world Ms. Padmavathy Bandopadhyaya
• the tennis ace Ramanathan Krishnan
• the top computer scientist Padma Bhushan Prof. V. Rajaraman
• the CEO of the top ranking software company TCS, Mr. S. Ramadorai
• the former director of the Terminal Ballistics Research Laboratory, Dr. M. Balakrishnan
• the well known theoretical physicists of the country, Prof. R. Rajaraman of JNU
• Prof. R. Ramachandran, former director of Institute of Mathematical Sciences, Chennai
• Prof. H. S. Mani, former director of the Harish Chandra Research Institute, Allahabad
• Dr. V. Siddhartha of DRDO
• Dr. Ganesh K. Mani, a Cardiac Surgeon of the country
• Dr. Ashok Rajgopal, a top orthopaedic surgeon of the country
• Mr. N. R. Krishnan, former environment secretary
• Mr. S. Lakshminarayanan, additional secretary, ministry of communications
• Lt. Gen. S. R. R. Iyengar, former director of National Defence College, former special commissioner (intelligence)
• present DG Home Guards, Mr. S. Ramakrishnan
• T. R. Gopalakrishnan, editor The Week
• T. R. Ramachandran, Editor
• R. Badrinath UNCTAD
• classical vocalist O. S. Arun
• classical violinists Kumaresh and Ganesh
• famous Tamil film music director Ramani Bharadwaj
• Mr. Santhanam, the personal secretary to Mahatma Gandhi
• R Ramachandran science correspondent Frontline, who has been one of the prime movers in reviving the alumni.
• Dr.Parigi – international Beauty pea gent (Organizer)
• Mrs.Janaki Sabaresh – film personality and a singer
• Mrs.Malgudi Shubha – Play back singer
• Ms. Srilekha Parthasarathy – Play back singer
• Ms. Priya Raman – Film Actress
• K.Sriram (1974) State First
• Janani (2001) State First