| Total Palar basin Area 10309.45 sq.km |
| 1 |
Upper Palar |
736.179 sq.km |
Palar |
Vellore |
– |
14 |
| 2 |
Malattar |
265.841 sq.km |
Tungaleru, Malattar, Goddardanka |
– |
– |
0 |
| 3 |
Agaramar |
581.282 sq.km |
Agaramar,. Periyar |
Vellore |
– |
9 |
| 4 |
Kavundinyanadhi |
466.643 sq.km |
Kavundinyanadhi, Godd Ar |
Vellore |
Mordhana |
8 |
| 5 |
Poiney (Ponnai) |
1092.65 sq.km |
Poiney (Ponnai) |
Vellore |
Rajathope Kannar |
97 |
| 6 |
Vegavati |
425.043 sq.km |
Vegavati |
Kancheepuram Vellore Tiruvannamalai |
– |
78 |
| 7 |
Cheyyar |
4372.182 sq.km |
Cheyyar, Kallar, Mirugandanadhi, Padavedu Ar, Kamandala naganadhi. Irumbedu maduvu, Kalavimaduvu |
Tiruvannamalai Vellore |
Kuppanatham, Mirugandanadhi, Senbagathope |
535 |
| 8 |
Kiliyar |
1324.926 sq.km |
Kiliyar, Salamaduvu Ar, Sukanadhi |
Kancheepuram Tiruvannamalai |
– |
311 |
| 9 |
Lower Palar |
1044.699 sq.km |
Palar, Kaluvaliar Ar |
Kancheepuram |
– |
266 |
| 10 |
|
sq.km |
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