Pambar River, also called Sarpanadi, is a river which flows through the Sivaganga

Sivaganga District

Sivaganga District is an administrative district of Tamil Nadu state in southern India. The city of Sivaganga is the district headquarters. It is bounded by Pudukkottai district on the Northeast, Tiruchirapalli district on the North, Ramanathapuram district on South East, Virudhunagar district...

, Pudukkottai

Pudukkottai District

Pudukkottai District is a district of Tamil Nadu state in southern India. The city of Pudukkottai is the district headquarters...

 and Ramanathapuram

Ramanathapuram District

Ramanathapuram District is an administrative district of Tamil Nadu state in southern India. The city of Ramanathapuram is the district headquarters. Ramanthapuram District has an area of 4123 km²...

 districts of Tamil Nadu

Tamil Nadu

Tamil Nadu is one of the 28 states of India. Its capital and largest city is Chennai. Tamil Nadu lies in the southernmost part of the Indian Peninsula and is bordered by the union territory of Pondicherry, and the states of Kerala, Karnataka, and Andhra Pradesh...

, India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It originates at Perunganur in Pudukkottai district and flows for about 50 kilometres before joining the Bay of Bengal

Bay of Bengal

The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...

 at Puttukidapatnam. It joins the Tennar at Tevarendal and Virusuliar at Kidangur. The holy town of Thiruppunavayil or Thiruppunavasal is located on its banks.The Pambar formed the official boundary between the Thanjavur Maratha and Ramnad

Ramnad estate

The Ramnad Estate is a permanently settled Zamindari estate in the Ramnad subdivision of the Madura district of the erstwhile Madras Presidency in British India. It comprises the southern and eastern parts of Madura district.The estate was ruled by a Zamindar who bore the title "Raja"...

kingdoms from 1725 to 1799.Currently, it forms Pudukkottai district's boundary with Sivaganga and Ramanathapuram districts.