The sign of 'Mandra Saptak Swara' according to Paluskar Notation System is :

Question

Accepted Answer

In the Paluskar Notation System, the representation of different octaves is crucial for understanding the pitch and range of the swaras (notes). The "Mandra Saptak" refers to the lower octave, which is characterized by a deeper and more resonant sound. In this system, the notation for the Mandra Saptak Swara is indicated by placing a dot above the swara. This is why Option 2, "Dot above the Swara," is the correct answer.

### Explanation for Option 2:
- **Dot above the Swara**: In the Paluskar Notation System, a dot above the swara signifies that the note belongs to the Mandra Saptak, or the lower octave. This notation helps musicians identify that the swara should be sung or played at a lower pitch compared to the Madhya Saptak (middle octave) or the Taar Saptak (higher octave). The use of a dot above the swara is a standardized method in this system to denote the lower octave, ensuring clarity and consistency in musical notation.

### Explanation for why other options are incorrect:

- **Option 1: Dot below the Swara**: A dot below the swara is typically used to denote the Taar Saptak, which is the higher octave. This is the opposite of the Mandra Saptak, and thus, this notation does not apply to the lower octave.

- **Option 3: Vertical line above the Swara**: A vertical line above the swara is not a recognized symbol in the Paluskar Notation System for indicating any specific octave. Therefore, it does not represent the Mandra Saptak.

- **Option 4: Halant under the Swara**: A halant or a line under the swara is not used in the Paluskar Notation System to denote the Mandra Saptak. This symbol is not associated with octave representation in this system.

In conclusion, the correct notation for the Mandra Saptak Swara in the Paluskar Notation System is a dot above the swara, making Option 2 the correct choice. This system of notation is essential for musicians to accurately interpret and perform music as intended.