The uses of Vaadi swar is:
A. Structure forming of Rag,
B. To decide 'Jati' of Rag,
C. To decide 'Time' of Rag

Question

The uses of Vaadi swar is: 
A. Structure forming of Rag, 
B. To decide 'Jati' of Rag, 
C. To decide 'Time' of Rag

Accepted Answer

The correct option is 3:
The *Vaadi* swar, also known as the *Ansh* swar, holds the highest importance in the structure of an Indian classical *Rāga*. As the central pivot, it plays a vital role in two key aspects listed. Firstly, statement A, "Structure forming of Rag", is correct because the *Vaadi* is the most prominent and repeatedly used note, and its frequent emphasis is what gives the *Rāga* its specific melodic shape (*Swarūp*). The signature phrases (*Pakaḍ*) of a *Rāga* often revolve around or strongly feature the *Vaadi* swar, distinguishing it from all other *Rāgas* that may use the same set of notes (*Thaat*). Secondly, statement C, "To decide 'Time' of Rag", is also correct, as per the widely accepted *Rāga-Time Theory*. This theory states that *Rāgas* whose *Vaadi* swar lies in the *Poorvanga* (lower tetrachord: Sa, Re, Ga, Ma) are typically sung in the first part of the day or night, while those with an *Uttaranga* *Vaadi* (upper tetrachord: Pa, Dha, Ni, Sa) are for the second part. Hence, the location of the *Vaadi* is instrumental in determining the proper performance time.

The incorrect option is 1, 2, and 4:
The reason Option 3 is correct is that statement B, "To decide 'Jati' of Rag", is an incorrect use of the *Vaadi* swar. The *Jati* (classification) of a *Rāga* is determined solely by the *number* of notes used in its ascending (*Aaroh*) and descending (*Avaroh*) scales, such as *Audav* (five notes), *Shaadav* (six notes), or *Sampurna* (seven notes). The role of the *Vaadi* swar is to emphasize a specific note within that scale, not to count the number of notes that make up the scale. Therefore, any option that includes 'B' as a correct use (Option 2: Only B and C, and Option 4: A, B and C) is incorrect. Option 1 is incorrect because it includes only 'C' and omits the crucial role of the *Vaadi* in forming the *Rāga's* structure (A).