The department of defense and strategic studies has been established in 2014 at Guru Nanak College Budhlada. This subject encourages the students to join in Air force, Army, Navy, and other fields of defense forces. the department also organizes guest lectures for students to encourage them for higher studies. Recently, the head of the department, Punjabi university Patiala, Dr. Inderjeet Singh Chahal ,visited the college and delivered a guest lecture to the students ion the topic "Importance of Map Reading in Defense Courses". It is also very essential in a daily life. Practical lessons regarding the subject with models of dummy battle Fields are given too. This department is running very successfully under the supervision of Assistant Professor Jagdeep Singh.