The basis of 72 Thaat system is :

Question

Accepted Answer

The basis of the 72 Thaat system is Mathematics. Here's a detailed explanation supporting why Option 2 is correct and why the other options are incorrect:

1. **Explanation for Option 2 (Mathematics):**
   The 72 Thaat system, also known as the Melakarta system, is a framework used in Carnatic music to categorize ragas. This system is fundamentally mathematical because it is based on permutations and combinations of musical notes. The system uses a set of seven notes (swaras) and organizes them into 72 unique scales or thaats. The mathematical aspect comes into play in the way these notes are arranged, considering different combinations of the notes Sa, Ri, Ga, Ma, Pa, Dha, and Ni, with variations in the pitch of some notes. The systematic approach to creating these scales is rooted in mathematical principles, making mathematics the basis of the 72 Thaat system.

2. **Explanation for why other options are incorrect:**

- **Option 1 (Religion):**
     While music can have religious significance and be used in religious contexts, the 72 Thaat system itself is not based on religious principles. It is a technical framework for organizing musical scales and does not derive its structure or rules from religious doctrines or beliefs.

- **Option 3 (Psychology):**
     Psychology deals with the study of the mind and behavior. While music can certainly have psychological effects on listeners, the 72 Thaat system is not based on psychological principles. It is a theoretical construct for categorizing musical scales, and its foundation lies in the mathematical arrangement of notes rather than psychological concepts.

- **Option 4 (Philosophy):**
     Philosophy involves the study of fundamental questions about existence, knowledge, values, and reason. The 72 Thaat system is not based on philosophical inquiry or reasoning. Instead, it is a practical system used in music theory, specifically in the realm of Carnatic music, and its basis is mathematical rather than philosophical.

In conclusion, the 72 Thaat system is fundamentally a mathematical construct, as it relies on the systematic arrangement and combination of musical notes to create a comprehensive framework for categorizing ragas. This mathematical basis is what makes Option 2 the correct answer.