Coodu Trust India

Reaching the Unreached

Survey and Documentation

Geographical Information Systems (GIS)

A geographic information system (GIS) integrates hardware, software, and data for capturing, managing, analyzing, and displaying all forms of geographically referenced information. A GIS is a set of information transformation tools that derive new geographic datasets from existing datasets. These geo processing functions take information from existing datasets, apply analytic functions, and write results into new derived datasets.


A documentation work of digitization of village maps (421 villages) with GIS was done for Virudhunagar district with the available information from agricultural engineering department, by applying the analytical functions. By combining data and applying some analytic rules, it might help in creating a model that would answer the question posed.

Bonded labour resurvey

The Government of Tamil Nadu have ordered to undertake the resurvey of the existence of bonded labourers in all the Districts in Tamil Nadu with the financial assistance of the Government of India. A fund was sanctioned for creating awareness generation activities and evaluator studies in five districts viz. Kancheepuram, Thiruvallur, Vellore, Salem and Coimbatore.


The Adi Dravidar Welfare Department identified our organization in Karur district to conduct the re-survey of bonded labourers. We were given with three months period to complete the survey and was successfully completed.

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