Asian Defense Academy Is The Best Sainik School Coaching Institute In Delhi. Get Enrolled In Sainik School, Join Our Sainik School Coaching BatchIn the last few years, online training institutes have been making a lot of headway in the education sector. They have been able to provide online courses and training for various jobs. In this article, we will discuss about how these online training institutes work on sainik school coaching centre. We will also discuss about their business model, what they offer and what kind of services they provide to their clients. The online training institute is an online platform that provides free online training courses to students. The platform has two main divisions - the online training centre and the sainik school coaching centre. he Online Training Institute (OTI) is a training institute for the coaches of the Sainik School. The training institute was started by Mr. A.K. Sharma and Mr. Rakesh Sharma in 2007 at Bhatinda in Punjab, India . The training institute is recognized by the Sainik School and provides coaching to all members of the school community, including students and teachers .