Catchment wise distribution of area

Region

Drainage System

Basin

River

Catchment

River

Area (ha)

1

Indus Drainage

1A

Sutlej

1A1

Lower Sutlej below Bhakra dam

29,15,512

 

 

1A2

Sutlej above Bhakra dam

19,12,016

 

 

Total

 

48,27,528

1B

Beas

1B1

Beas

23,04,899

 

 

Total

 

23,04,899

1C

Ravi

1C1

Ravi

11,35,615

 

 

Total

 

11,35,615

1D

Chenab

1D1

Chenab

29,10,225

 

 

Total

 

29,10,225

1E

Jhelum

1E1

Jhelum

29,27,140

 

 

Total

 

29,27,140

1F

Indus

1F1

Up to confluence with Shyok

24,01,556

 

 

1F2

Gilgit

29,84,068

 

 

1F3

Shyok

38,23,842

 

 

1F4

Upper Indus from Shyok confluence upstream

48,94,189

 

 

Total

 

1,41,03,655

1G

Ephemeral

1G1

Shaksjam drainage

6,75,146

 

 

1G2

Adjoining Shyok drainage and Qaraqash

22,71,133

 

 

Total

 

29,46,279

Total

 

 

 

3,11,55,341

2

Ganges Drainage

2A

Left Bank of  Ganga

2A1

LB of Ganges and Bhagirathi from delta up to confluence with Ghugri

20,57,483

 

 

2A2

Kasai to Damodar on RB of  Bhagirathi

43,76,039

 

 

2A3

RB of  Baghirathi and Ganges from Damodar to Confluence to Ghugri

29,30,450

 

 

2A4

Bhagalpur to confluence with Son

31,88,148

 

 

2A5

Son

68,02,881

 

 

2A6

LB Ganga between Son to Allahabad

34,31,765

 

 

Total

 

2,27,86,766

2B

Right Bank of  Ganga

2B1

RB Ganges and Mahananda

19,67,583

 

 

2B2

Ghugri, Kozi upto Ghagara confluence

43,56,814

 

 

2B3

Ghagara

60,17,390

 

 

2B4

Gomati to Ganges, Ghagara confluence

44,77,721

 

 

2B5

Main Upper Most Ganga above confluence with Ramganga

18,26,365

 

 

2B6

Upper Ganga to Ramganga confluence

50,57,547

 

 

2B7

Ramganga

32,36,211

 

 

Total

 

2,69,39,631

2C

Yamuna

2C1

RB of Yamuna up to Betwa confluence, KEN

36,98,567

 

 

2C2

LB of Yamuna in between Allahabad to Chambal

16,74,471

 

 

2C3

Betwa confluence to Yamuna

47,22,630

 

 

2C4

Sind to Chambal confluence, Kunwari

28,11,601

 

 

2C5

RB of Yamuna up to Chambal confluence

48,58,467

 

 

2C6

LB of Yamuna up to Chambal confluence

17,13,997

 

 

2C7

Upper most Yamuna

11,43,067

 

 

Total

 

2,06,22,800

2D

Chambal

2D1

Chambal up to Banas confluence

11,49,296

 

 

2D2

Chambal above Banas upto Gandhi Sagar

50,35,180

 

 

2D3

Gandhi Sagar

27,28,003

 

 

2D4

Banas

48,36,267

 

 

Total

 

1,37,48,746

Total

 

 

 

8,40,97,943

3

Brahmaputra drainage

3A

Right Bank of Brhmaputra up to

3A1

Teesta to Manas confluence

23,39,640

 

Lohit confluence

3A2

Manas to Kameng confluence (Tezpur)

16,69,163

 

 

3A3

Kameng near Tezpur

14,86,076

 

 

3A4

Ranga and Subansiri

22,21,505

 

 

3A5

Diang or Siang and parts along Brhmaputra

21,72,593

 

 

3A6

Diang or Sikang, Emra, Matun

13,38,269

 

 

Total

 

1,12,27,246

3B

Left Bank of Brhmaputra

3B1

Bangladesh border to Kalang confluence near Gauhati

12,43,315

 

 

3B2

Kalang to Dhansiri confluence

23,28,790

 

 

3B3

Dhansiri to Lohit confluence

22,97,832

 

 

3B4

Lohit and Dibang or Sikang (Upper most Brahmputra)

23,88,179

 

 

Total

 

82,58,116

3C

Drainage flowing into Bangladesh

3C1

South flowing drainage of Meghalaya

11,40,314

 

 

3C2

Mostly Barak

31,66,187

 

 

3C3

Partial drainage Tripura and Mizoram flowing into Bangladesh

10,62,677

 

 

Total

 

53,69,178

3D

Drainage flowing into Burma

3D1

Eastern part of Mizoram Mengpui Lui

8,00,806

 

 

3D2

Eastern Mizoram Manipur river and Tuingan

18,06,654

 

 

Total

 

26,07,460

Total

 

 

 

2,74,62,000

4

All drainage flowing into Bay of Bengal except those at 2 & 3

4A

Cape Comorin to Cauvery

4A 1

Cape Comorin to vaigai

20,21,528

 

 

4A 2

Vaigai to Cauvery

17,87,650

 

 

Total

 

38,09,178

4B

Cauvery

4B1

Cauvery delta to Amaravati confluence

17,12,676

 

 

4B2

Amaravati to Stanley Reservior

25,15,896

 

 

4B3

Stanley Reservior to Krishanaraja Sagar

31,47,868

 

 

4B4

Krishanaraja Sagar

10,44,329

 

 

Total

 

84,20,769

4C

Cauvery to Krishna

4C1

Between Cauvery to Palar (Vellar & Ponnaiyar)

27,94,433

 

 

4C2

Between Ponnaiyar to Pennar (Palar, Kortalaiyar)

34,30,677

 

 

4C3

Pennar

55,86,913

 

 

4C4

Pennar to Krishna

24,29,385

 

 

Total

 

1,42,41,408

4D

Krishna

4D1

Lower most Krishna below Nagarjuna Sagar dam

38,07,946

 

 

4D2

Nagarjuna Sagar to Srisailam confluence of Tungbhadra with Krishna and Bhima

22,84,583

 

 

4D3

Lower Tungbhadra (Between Srisailam and Tungbhadra Reservior)

43,42,271

 

 

4D4

Upper Tungbhadra beyond Reservior

29,01,475

 

 

4D5

Krishna up to confluence of Bhima

55,63,614

 

 

4D6

Bhima up to confluence of Sina

24,23,916

 

 

4D7

Upper Bhima

46,20,630

 

 

4D8

Small area directly draining into Bay of bengal

11,73,960

 

 

Total

 

2,71,18,395

4E

Godavari

4E1

Godavari delta with confluence of Indravati

44,15,129

 

 

4E2

Indravati confluence to Nizamabad dam

33,69,653

 

 

4E3

Nizamabad dam to Poochampad dam on Godavari

45,58,793

 

 

4E4

Poochampad upper stream of Godavari

23,21,460

 

 

4E5

Manjara

22,31,300

 

 

4E6

Indravati

44,92,454

 

 

4E7

Wardha

47,89,336

 

 

4E8

Wainganga

51,35,771

Total

 

 

 

3,13,13,896

4F

Godavari to Mahanadi

4F1

Godavari confluence

24,25,331

 

 

4F2

From Vamsaddhara to Mahanadi

22,53,540

 

 

Total

 

46,78,871

4G

Mahanadi

4G1

Delta mouth to Hirakud dam

6,062,876

 

 

4G2

Hirakud dam to confluence with Seonath

53,81,805

 

 

4G3

Seonath

30,64,290

 

 

Total

 

1,45,08,971

4H

Mahanadi to Ganga WRR

4H1

Brahmani

38,82,203

 

 

4H2

Baitarni up to Subarnarekha  delta area

22,10,572

 

 

4H3

Subarnarekha

22,17,043

                                                                   

 

Total 

 

83,09,818

4I                                                                         

Andaman and Nicobar Islands

4I1

Andaman & Nicobar

6,95,440

 

 

Total

 

6,95,440

Total

 

 

 

11,30,96,746

5

All drainage flowing into Arabian sea except that at 1

5A

South Westren Ghats

5A1

Cape Comorin to Periyar

21,85,217

 

 

5A2

Periyar to Mahe

15,32,473

 

 

5A3

Mahe to Sharavati

18,50,674

 

 

Total

 

55,68,364

5B

North Westren Ghats

5B1

Sharavati to Savatri

27,81,876

 

 

5B2

Savatri to Tapi

30,94,776

 

 

Total

 

58,76,652

5C

Tapti

5C1

Sea confluence to Ukai

4,13,314

 

 

5C2

RB Ukai Dam to Purna confluence

32,25,492

 

 

5C3

LB Ukai Dam to Purna confluence

10,68,516

 

 

5C4

Purna

18,36,416

 

 

Total

 

65,43,738

5D

Narmada

5D1

Confluence with Sea to Narmada Dam

10,56,845

 

 

5D2

Narmada to Tawa confluence lower part

20,96,260

 

 

5D3

Narmada to confluence with Tawa upper part of Narmada

21,07,171

 

 

5D4

Tawa confluence to Hingana to confluence, Dam

29,28,046

 

 

5D5

Tawa confluence to upper Narmada

16,31,285

 

 

Total

 

98,19,607

5E

Mahi

5E1

Mahi upto Kadana Dam

14,18,636

 

 

5E2

Kadana Dam to Jakham confluence

17,71,053

 

 

5E3

Jakham, Gomati….. etc

8,74,593

 

 

Total

 

40,64,282

5F

Sabarmati

5F1

RB of Sabarmati and Upper part beyond Hathmati

16,49,455

 

 

5F2

LB of Sabarmati, Majam upto Hathmati

10,83,892

 

 

Total

 

27,33,347

5G

Southern Kathiawar

5G1

Rivers draining to Arabian Sea

20,15,334

 

 

5G2

Draining into Gulf of Khambat

19,46,941

 

 

Total

 

39,62,275

5H

Drainage of Gulf of Kutch

5H1

North flowing drainage of Jamnagar

19,50,839

 

 

      5H2

South flowing drainage mostly Bhuj area

17,99,249

 

 

5H3

Ruper, Saraswati, Banas draining into little Ran-of Kutch

21,23,641

 

 

Total

 

58,73,729

5I

Lakshadweep

5I1

Lakshadweep

7,748

 

Total

 

7,748

Total

 

 

 

4,44,49,742

6

Western Rajasthan mostly ephemeral drainage

6A

Great Rann of Kutch and Luni

6A1

Mostly Great Rann of Kutch

30,21,328

 

 

6A2

Mainly Luni

64,14,175

 

 

Total

 

94,35,503

6B

Ephemeral (Barmer to Jaisalmer, Nagaur, Sikar)

6B1

Barmer to Jaisalmer from south to north around Nagaur and Sikar (Ephemeral drainage)

55,34,640

 

 

Total

 

55,34,640

6C

Ephemeral (Jaisalmer, Bikaner, Churu and around)

6C1

Around Jaisalmer on the west, Bikaner to Churu on the west (Ephemeral drainage)

29,31,014

 

 

Total

 

29,31,014

6D

Ghaghar and old Saraswati

6D1

Rohtali Jind, Hissar tract

67,10,705

 

 

6D2

Ambala, Chandigarh on the east to Pak border on the west (Ghaggar)

40,49,313

 

 

Total

 

1,07,60,018

Total

 

 

 

2,86,61,175

 

Grand Total

 

 

 

 

32,89,22,947