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This Subunit Implementation Plan (SIP) elaborates on the Feasibility Study that was done in 2013 at the level of the (hydrological) subunit. It assesses the development options with regard to Water infrastructure, Operation & Maintenance, Agriculture, Fisheries, and Income generation, and gender. It also considers safeguards in respect of indigenous people, the poor and vulnerable, and the environment.


The subunit area is located in the middle part of the Rajbari District and is spread over Rajbari Sadar and Kalukhali  Upazila. Administratively the area is covered by 5(Five) unions namely Mizanpur, Chandani, Khangonj within Rajbari Sadar Upazila  and Ratandia, Modapur within Kalukhali Upazila. It comprises 3,057 hectares, 16 WMGs with 42 villages. There are 10,642 households with a population of 41,823.

Water management

The water infrastructure will benefit from a major overhaul: rehabilitation of two structures and re-excavation of khals over a total length of 16.56 km will reduce flooding and drainage congestion and thus benefit agricultural production. The cost of rehabilitation is estimated at some Tk.1185.28 lac.

Operation and Maintenance

The Water Management Association of the subunit will sign an Agreement with the XEN-BWDB about sharing O&M responsibilities. The operation of the infrastructure will be decided by the Water Management Association at the subunit level.

A Maintenance Plan for the subunit-1 has been formulated where responsibilities have been delineated and costs for maintenance worked out. The total cost of preventive and periodic maintenance for subunit-1 has been estimated as Tk. 24 lac per annum of which WMA share would be Tk. 8 lac with BWDB bearing Tk. 16 lac. The WMA/ WMG share comes to Tk.135/ ha/ year. The cost of WMO training has been estimated at about Tk. 20 lac.


The gross area of the Belgachi Subunit (subunit area-1) is 3,057 ha. and the net cultivable area is 2,293 ha. The present cropped area is 4,682 ha. with a Cropping Intensity of 204%. The future total cropped area has been estimated at 5,313 ha. with a Cropping Intensity of 232%. The production of cereal crops will be increased by 4,705 metric tons (42%) and other crops by 1,713 metric tons (38%) with an overall increase in production by 6,417 (41%) after rehabilitation of the subunit area. Rice production has been estimated to be increased from 10,367 to 14,736 MT per year with an additional increment of 4,369 MT representing an estimated added value of Tk 983 lac.  The average yield of rice has been estimated to be increased from 3.72 ton per ha. to 4.52 ton per ha.

To improve the existing agricultural conditions and to transfer the modern technology to the farmers’ level Training, Demonstration, Farmers’ Field School (FFS), Workshop, Fair, and Motivational Tour have been planned for implementation by the project. The cost of agricultural development (enhancement) activities of the SIP has been estimated at Tk. 48.06 lacs for the entire project period.


There is about 316 ha of fisheries resource in the subunit area among them 282 ha in culture fisheries and rest of 34 ha in capture fisheries, and the estimated total production is 936 MT/year (Table - 01, Annex - 4). Culture fish production can be increased from 929 MT to 1172 i.e by 243 MT but capture fish production will be increased from 7 MT to 9 MT i.e by 2 MT, after rehabilitation of this subunit area and the total annual incremental benefit would be Tk. 225 lac (Table - 3, Annex-4).

Financing of the fisheries activities would require both beneficiary and project contributions. Beneficiaries will be responsible for all direct inputs cost required for fisheries production, both culture and capture because they will manage the activities through CAPs. The project will bear the cost of demonstration, basic training, refreshment training, and motivational tour. The training cost (excluding preparation of modules) amount to some TK.59 lac (Table 04, Annex -4)

Socio-economics and gender

The SIP-I area comprises 42 villages under the Rajbari and Kaluakhali Upazila of the Rajbari district. The land per household is 0.35 ha, which is much lower than the national average 0.8 ha. The percentage of farmers is 39.35%. The river Horai River follows at the middle side of the SIP-I area. Dawki khal, Harindpara khal Rupshi khal, and other small khals crossed the SIP-I area, which is connected with the Horai river. Chandani, Khangoan and Ratandia Union Parishad are located inside the boundary of SIP-I.

The total households and population of the surveyed area of SIP-I is 10,642 and 41,823. The sex ratio is defined as the number of males per 100 females. In SIP-I, Horai River it is 52.30% male against 47.69% female. The average household size of the surveyed households is 3.9

Farming is the main occupation of all categories of farmers 39.35%, followed by business 25.34%, service 22.88%.The other occupation is 9.18%, which includes; daily wage laborers, fishermen, hawkers, traders. The survey data shows that the majority of households 48.91% earn monthly below Tk.12000, who are living in poverty level. The average literacy rate of the population 5 years and above in the SIP-I area is 72.18% and illiterate is 27.82%, which is almost similar to the national average of 72 % (HIES, 2016). The wage laborers are mostly found in landless, marginal, and small farm families. The percentage of female-headed and male-headed households is 6.49% and 93.51% respectively. A total of Tk.4301000 have been allocated for the development of the poor and destitute and female-headed households.

WMO formation and development

WMO formation process commenced with mobilizing Facilitators and awareness creation. Union-level consultation was conducted and consent for rehabilitation work has been obtained from the communities. As the population has increased significantly since the Feasibility Study (FS) time, the project “re-demarcated WMG areas”. Consequently, the total number of WMG's increased from 7 (at FS stage) to 16. Elections were held and all the WMG's have been formed.

Participatory mechanisms will be adopted for developing and reaching consensus on “WMG-wise water and land use plans”, mainly for crops, fishery, and other IGAs. Facilitators guided by ISPMCs and PMO staff will assist WMGs to implement these Plans. Sub-committees are established “focussed attention” on specific tasks of WMO. There will be O&M Agreements between WMA and BWDB.

The Subunit Implementation Plan should have practical implementing mechanisms to establish “horizontally and vertically integrated WMO Network”, with WMG as the “Base” organization. WMO Network (WMG-WMA) would be utilized by line agencies like BWDB, DAE, DoF, and other line agencies (in their Extension and Input Services).  WMO's need to be equipped with appropriate technology. WMO's should organize Collective Action, CA for effective O&M, to provide WMO-managed input-output services to members in agriculture, fishery, and other income-generating activities and value-addition. WMO's will also develop partnerships with the Private Sector and undertake business ventures.


Lastly, a monitoring plan is given in order to monitor the progress of WMO formation and development, as well as the outcome (results) of the Subunit Implementation Plan.

Proposed civil work under the SIP described below-

SIP- 1 /WMA- 1

(gross area )

No. of 


Type of Infrastructure




3057 ha



Belghachi regulator (3-vents)

1 no.


Rupsha regulator (1-vent)

1 no.


Foot Bridge

2 no.


WMO Office Building

1 no.


Total Infrastructure

6 no.



Horai River

7.01 km

Silted up

Rupsha khal

3.60 km

Silted up

Rupsha khal Branch-1

1.425 km

Silted up

Horindhara khal

0.50 km

Silted up

Chandoni khal

1.60 km

Silted up

Dawki khal

0.50 km

Silted up

Basudevpur Khal

1.925 km

Silted up

Total Khal

16.56 km

Construction of Carpeted Road



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