Realm 34: Teesta River Dispute
Basin Hydrology, Federal Deadlock, Lean Season Crunch & Chinese Inroads
34.A — TEESTA BASIN HYDROLOGY & WATER DYNAMICS
NODE 34.1
Glacial Origin & Course
🏔️
- Tso Lhamo glacial lake in Sikkim
- Darjeeling hills to North Bengal
- Entering Rangpur into Jamuna (Brahmaputra)
NODE 34.2
Lean Season Flow Asymmetry
🌧️
↔☀️
- Heavy monsoon deluge (85% discharge)
- Acute winter drought (Dec–April)
- Severe dry season volumetric crisis
NODE 34.3
Sikkim Hydropower Cascades
⚡
- Run-of-the-river dam projects
- Altered diurnal river discharge
- Silt trapping and peaking release cycles
NODE 34.4
1983 Ad-Hoc Agreement
39% : 36%
- 39% allocated to India
- 36% allocated to Bangladesh
- 25% unallocated ecological baseline
34.B — RIVER-BASIN INTERESTS & AGRICULTURAL STAKES
NODE 34.5
Gajoldoba Barrage (India)
→
🌾
- Jalpaiguri district diversion barrage
- Teesta Barrage Project feeder canals
- North Bengal irrigation backbone
NODE 34.6
Dalia Barrage (Bangladesh)
🌾
- Doani, Lalmonirhat canal network
- Teesta Barrage Phase-I command area
- Northern Bangladesh agricultural lifeline
NODE 34.7
Boro Rice Crop Crisis
🌾
✖💧
- Winter Boro paddy dependent on Teesta
- Acute groundwater table depletion
- Threat to 21M Bangladeshi livelihoods
NODE 34.8
Siltation & Bank Erosion
⛰️
↓
- Heavy Himalayan sediment deposition
- Shallow braided riverbed morphology
- Severe monsoon flash flooding & displacement
34.C — THE FEDERAL DIMENSION & WEST BENGAL'S STANCE
NODE 34.9
Constitutional Friction
ART 253
⚔️ENTRY 17
- Union treaty-making executive power
- State legislative jurisdiction on water
- Federal cooperative consensus deadlock
NODE 34.10
North Bengal Water Security
🏞️
- Six North Bengal districts dependency
- Drinking water & tea garden needs
- Fears of severe domestic crop failures
NODE 34.11
2011 Draft Accord Veto
🛑
🏛️
- CM Mamata Banerjee withdraws from visit
- Abrupt cancellation of treaty signing
- Diplomatic setback for PM Manmohan Singh
NODE 34.12
Torsa & Alternate River Offer
TORSA
↔
RAIDAK
- Proposal to share alternate northern rivers
- Dhaka rejects non-Teesta substitutes
- Hydrological mismatch for Rangpur plains
34.D — BILATERAL DEADLOCK, JRC & CHINESE INROADS
NODE 34.13
Joint Rivers Commission (JRC)
🏛️
⇄
- 54 shared transboundary river channels
- Ministerial dialogues revived after decade
- Hydro-meteorological data sharing protocols
NODE 34.14
The 2011 50:50 Formula
- Draft agreement for roughly equal split
- Accounting for environmental flow needs
- Framework remains unratified blueprint
NODE 34.15
China's $1B Teesta Project
🇨🇳
→
$1B
- Comprehensive River Restoration Plan
- Dredging, reservoirs & township development
- New Delhi security anxiety near Siliguri
NODE 34.16
India's Technical Counter-Offer
🇮🇳
🤝
- 2024 proposal to fund Teesta conservation
- Indian technical team sent to Bangladesh
- Countering Chinese strategic presence