Principia is Kerala’s first Physics only Learning App. We deliver detailed video classes for 8 th  to 12 th  students in Kerala state syllabus. Principia provides real classroom experience with a lot of worked out examples along with extensive study materials and quizzes. An opportunity to interact with a tutor through an inbuilt interface in the app makes it unique. Features of Principia: - The first video of each chapter is free. - Chapter-wise study packages are available at an affordable price. - Students can purchase the chapters of their choice instead of purchasing the whole syllabus. - English and Malayalam medium classes are available separately for 8 th , 9 th  & 10 th . - 11 th & 12 th  standard students are provided with classes compatible with Kerala State, CBSE & ISC syllabuses.