- admissions open 2026-2027
DDA Team
Divine Defence Academy (DDA) — building character, leadership, and officer mindset since foundation.
Ajay Singh Gusain
Dean of Academics, DDA
Ajay Singh Gusain
Dean of Academics, DDA
Declaration
Ajay Singh Gusain, a seasoned educator with over 16 years of experience, has consistently delivered outstanding results in mentoring defence aspirants. With a proven track record of success in NDA, CDS, AFCAT, CAPF, and IMU-CET domains, he has established himself as a trusted mentor.
Having worked in various esteemed institutions affiliated with CBSE and ISC/ICSE, including Don Bosco Delhi, St. Thomas School Meerut, St. Mary’s School Najibabad, St. Joseph’s Convent School Kotdwara, Army Public School, Sainik School, and Defence College Dehradun, Mr. Ajay Singh Gusain brings a wealth of experience and expertise to his current role as Dean of Academics at Divine Defence Academy & St. Joseph School, Chutmalpur.
Achievements
- Honoured by Ministry of Education, Uttarakhand (2017)
- NET (JRF in Mathematics)
- Cracked UKPSC Lecturer Exam
- UPSC Mains Qualified
- Trained and mentored thousands of defence aspirants
Experience
- Dean of Academics, Divine Defence Academy & St. Joseph School, Chutmalpur (Current)
- Ex Sainik School Coordinator
- Ex Vice Principal, Army Public School
- Ex Principal, Defence College Dehradun
- Ex Director (Founder), Dehradun Naval and Defence Academy
Education
- B.Sc (PCM)
- M.Sc (Mathematics)
- M.Sc (Physics)
- B.Ed
- PhD (Pursuing) in Discrete Mathematics
Ms. Aarushi Kasturiwal
Director, DDA
Ms. Aarushi Kasturiwal
Director, DDA
Academic Qualifications
- PhD (Pursuing)
- MSc Chemistry (Gold Medallist)
- M.A. Education
- B.Ed
Achievements
- Cracked NEET 2 times
- Cracked AFCAT 3 times
Teaching Experience
5+ years in premier defence and maritime academies
Expertise
Mentoring for NDA, IMU-CET, CDS, AFCAT, CAPF
Approach
- Student-centric
- Bilingual instruction
- Simplifies complex topics
Strengths
- Concept clarity
- Exam-oriented strategies
- Motivational energy
Focus Areas
- Academic development
- Personality development
Rajat Sir
NDA, Biology Faculty, DDA
Rajat Sir
NDA, Biology Faculty, DDA
Academic Qualifications
- BSc in CBZ
- MSc in Biochemistry
- B.Ed
Teaching Experience
- National and international curricula
- Academic instruction and competitive exam preparation
Focus Areas
- Building conceptual clarity
- Analytical thinking
- Exam-oriented strategies
Approach
- Structured, student-centric learning
- Adapts to diverse learning needs
Strengths
- Simplifies complex concepts
- Makes learning engaging and result-oriented
Mr Javed Ahmed
Maths Faculty, DDA
Mr Javed Ahmed
Maths Faculty, DDA
Work Experience
- Ex Maths Faculty:
- BFIT and GNC
- SBN Defence Academy
- BCI Defence Academy
- Durga Defence Academy (NDA Maths)
- Sigma Institute of IIT and JEE
Qualifications
- BSc (PCM)
- MSc (Maths), HNBGU
- B.Ed (Pursuing), HNBGU
- Worked as Maths Evaluator, HNBGU
Mr Karan Kumar Updhayay
Faculty English, DDA
Mr Karan Kumar Updhayay
Faculty English, DDA
Work Experience
- Defence Exam Mentor & Personality Development Trainer:
- Guided numerous students in NDA entrance exam preparation, with several selected in prestigious academies
- Provided structured personality development training
- Focused on confidence building, discipline, and leadership qualities
- Enhanced students' public speaking and behavioral grooming skills
Qualifications & Achievements
- BSc IT
- MA English
- Cracked AFCAT and CGCAT (twice)
- Recommended by PSB Shillong for ICG Assistant Commandant
Sagar Singh
Faculty Physics, DDA
Sagar Singh
Faculty Physics, DDA
Work Experience
- Defence Exam Educator & Mentor:
- Passionate and dedicated educator with 6+ years of teaching experience
- Strong understanding of defence examinations with hands-on experience in cracking multiple competitive exams
- Guiding aspirants with the right strategy, discipline, and confidence
- Providing practical insights to help students excel in defence exam preparation
Qualifications
- BSc (Defence Studies)
- MSc (Physics)
- MA (Political Science)