No. J-13011/5/2003-IA.II (T)

Government of India

Ministry of Environment and Forest,

(Paryavaran Aur Van Mantralaya)


Prayvaran Bhawan,.

C.G.O Complex, Lodi Road,

New Delhi- 110003

Dated the 20th May, 2004



            Shri M.H. Rao,

            Deputy General Manager (Env. Engg.),

            National Thermal Power Corporation Ltd.,

            Plot No. A-8A, Sector 24, Post Box No. 13,

            Noida – 201301, Uttar Pradesh.


Sub:     Kahalgaon SDuper5 Thermal Power Plant Stage-II, Phase-II (1x500 MW) at Kahalgaon, District Bhagalpur, Bihar-Environmental clearance reg.




            The undersigned is directed to refer to your communications No. CC:ESE 4231:GEN:2003:01B dated 4th June, 03,11th Oct, 03, 18th Nov, 03, 15th Dec, 03, 16th Jan, 04, 9th March, 04, 22nd March, 04 and 13th April, 04 on the above mentioned subject.


2.         The proposal regarding the enhancement of capacity of existing Kahalgaon Thermal Power Project from 1840 MW (stage-I-4x210 MW+stage-II, Ph-OI-2x500 MW) to 2340 MW by setting up of 1x500 MW unit (stage-II, Ph-II) Coal based Power Project in the premises  of existing station at Kahagaon Village, Bhagalpur District, Bihar at the cost of Rs. 1904.78 crores, has been examined from environmental angle on the basis of information submitted by National Thermal Power Corporation Limited (NTPC) and required environmental clearance is hereby accorded subject to the following conditions:


i)                    All the conditions stipulated by Bihar State Pollution Control Board vide their letter No. T-4921 dated 11th Oct., 2003 should be strictly implemented.

ii)                  One single flue stack of height 275 m should be installed with continuous online monitoring system. Exist velocity of 24.1 m/sec should be maintained.

iii)                Electro-static Precipitator having efficiency of not less than 99.8% should be installed to limit outlet SPM emission 100 mg/Nm3.

iv)                Space provision for FGD plant should be kept.

v)                  The total water drawl from River Ganges for stage-I and stage-II (Ph-I & Ph-II) should not exceed 80 cusecs.

vi)                The detailed finding of the study on the impact of the entire project on the Vikramshila Dolphin Sanctuary should be submitted by 30th June, 2004.

vii)              Monitoring of surface water quality of the River Ganges for biological parameters in addition to chemical and physical parameters should be done as per prescribed norms.

viii)            All effluents generated in various plant activities should be collected in the Central Effluent treatment plant/Central Monitoring Basin and treated to ensure adherence to specific standards of usage.

ix)                Noise level should be limited to 75 dBA and regular maintenance of equipment be undertaken. For people working in the area of generator halls and other high noise areas, earplugs should be provided.

x)                  For controlling fugitive dust, regular sprinkling of water in coal handling and other vulnerable areas of the plant should be ensured.

xi)                The unit should be installed within the existing 3360 acres of land which has already been acquired by the NTPC for the station. No additional acquisition of land would be permitted including ash disposal area.

xii)              Extensive afforestation should be done on the open spaces available in plant area and the space available after abandonment of the ash pond.

xiii)            Coal requirement is estimated at 10514 TPD @ 80% PLF having calorific value of 3000 K.Cal/kg with 45% ash content and 0.4% sulphur content in the worst case scenario.

xiv)            Total fly ash generation will be 3784 TPD and bottom ah in wet form will be 946 TPD. The total ash will be utilized in mine filling only. Detailed ash utilization plan should be submitted to the Ministry within six months. Ash generated should be used in a phased manner as per provisions of the notification on Fly Ash Utilisation issued by the Ministry in September, 1999 and its subsequent amendments. By the end of 9th year full fly ash utilization should be ensured.

xv)              Regular monitoring of water quality including heavy metals should be undertaken around ash dyke and the project area to ascertain the change in the water quality, if any, due to leaching of contaminants from ash disposal area.

xvi)            Regular monitoring of the air quality should be carried out in and around the power plant and records be maintained. Periodic six monthly reports should be submitted to this Ministry.

xvii)          All other mitigative measures shall be taken as enumerated in Chapter 5 of the EIA report.

xviii)         The project proponent should advertise at least in two local newspapers widely circulated in the region around the project, one of which should be in the vernacular language of the locality concerned, informing that the project has been accorded environmental clearance and copies of clearance letters are available with the State Pollution Control Board/Committee and may also be seen at Website of the Ministry of Environmental and Forests at

xix)            A separate environmental monitoring cell with suitable qualified staff should be set up for implementation of the stipulated environmental safeguards.

xx)              A Monitoring Committee should be constituted for reviewing the compliance of various safeguard measures by involving recognized local NGOs, Pollution Control Board, Institutions, Experts etc.

xxi)            Half yearly report on the status of implementation of the stipulated conditions and environmental safeguards should be submitted to this Ministry/Regional Office/CPCB/SPCB.

xxii)          Regional Office of the Ministry of Environmental & Forests located at Bhubaneswar will monitor the implementation of the stipulated conditions. Complete set of Environmental Impact Assessment Report and Environment management Plan should be forwarded to the Office for their use during monitoring.

xxiii)        Separate funds should be allocated for implementation of environmental protection measures along with item-wise break-up. These cost should be included as part of the project cost. The funds earmarked for the environment protection measures should not be diverted for other purposes and year-wise expenditure should be reported to the Ministry.

xxiv)        Full cooperation should be extended to the Scientists/Officers from the Ministry/Regional Office of the Ministry at Bhopal/ the CPCB/the SPCB who would be3 monitored the compliance of environmental status.


3.                  The Ministry reserves the right to revoke the clearance if conditions stipulated are not implemented to the satisfaction of the Ministry.

4.                  The environmental clearance accorded shall be valid for a period of 5 years for construction/operation of the power plant. In case, if the project authorities fails to do within this stipulated period, this environmental clearance shall stand lapsed automatically.

5.                  In case of any deviation or alteration in the project proposed from those submitted to this Ministry for clearance, a fresh reference should be made to the Ministry to assess the adequacy of the conditions imposed and to add additional environmental protection measures required, if any.

6.                  The above stipulation would be enforced among others under the Water (Presentation and Control of Pollution) Act, 1974, the Air (Presentation and Control of Pollution) Act, 1981, the Environment (Protection) Act, 1986 and its subsequent amendments , the Public Liability Insurance Act, 1991 and its subsequent amendments, the Environment Impact Assessment Notification of January, 1994 and it amendments.






Copy to:

  1. Secretary, Ministry of Power, Shram Shakti Bhawan, Rafi Marg, New Delhi-110001.
  2. Secretary, (Environment & Forests), Government of Bihar, Patna-800 023.
  3. Chairman, Central Electricity Authority, Sewa Bhawan, R.K. Puram, New Delhi-1100066.
  4. Chairman, Bihar State Pollution Control Board, Beltron House, 2nd floor, Lal Bahadur Shastri Nagar, Patna-800 023 with respect to display a copy of the clearance letter at the Regional Office, District Industries Centre and Collector’s office for 30 days.
  5. Chairman, Central Pollution Control Board, Parivesh Bhawan, CBD-cum-Office Complex, East Arjun Nagar, Delhi-110032.
  6. Chief Conservator of Forests, 194, Kharvel Nagar, Bhubaneswar-751001.
  7. Director (EI), MoEF.
  8. Guard file.
  9. Monitoring file.






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