Before entering politics, Shri Parrikar had joined the Rashtriya Swayamsevak Sangh RSS at a young age and became a Mukhya Shikshak Chief Instructor in the final years of his schooling itself
युवावस्थेत त्यांना राष्ट्रीय स्वयंसेवक संघाचे कार्य सुरू करून शालेय शिक्षणाच्या शेवटच्या टप्प्यातच ते मुख्य शिक्षक बनले.