Indian Culture: A Blend of Various Culture

As a humble student when I sit down to think and write about Indian culture my mind goes back to 3000 or 2500 B.C. As I make a study of history and read some of the scriptures a question confronts me. How did the oldest Indian culture survive so long when so many great ancient cultures of Greece and Rome became museum pieces? What was the vitality of Indian culture that continued through the ages despite so many historical vicissitudes?
To start with we should be clear about the meaning of culture. It is difficult to define it in one word. …