Background: There is no previous published record regarding different fish species found in fish markets of Kharagpur town. The place is internationally renowned due to first Institute of Technology of India. Due to largest railway establishment in Kharagpur town, an influx of population is always here from different states. As such their food preference and cultural practice is different. Present survey is relevant to depicts fish preference of the town dwellers and socio-economic status of market associated people. 
Methods: The study have been conducted from November 2018 to January 2020 thoroughly from 13 fish markets of Kharagpur town, West Bengal, India. Fish specimens collected, identified and preserved. Market related data have been collected from different agents, wholesaler etc. through questionnaire interviews. 
Result: During the study period it has been observed that 28 freshwater inland fish species; 6 freshwater exotic fish species; 19 marine fish species and 4 crustacean species are available in the Kharagpur town. Some marine molluscs like Loligo sp and Sepia sp are also sold here. There are different peoples, those belong from different districts of West Bengal and involved in fish marketing activities. Therefore, a marketing chain is being established which is interdependent to each other with a socio-economic framework. Some measures have been highlighted towards improvement of infrastructure, hygienic conditions.&nbsp;

​A Study on Fish Diversity, Marketing and Economics in Fish Markets at Kharagpur, West Bengal, India

<div style="text-align: justify;">Rice is the most important food crop of India which is grown in about 43.86 million hectare. In India the production touches 112 MT milled rice used to feed 0.8 billion peoples that is 65% of the population.Rice is grown by manual transplanting of young rice seedlings in the puddled field in bending and squatting posture, which is very drudgerious operation. Prior to transplanting, puddling is done to prepare a soft seedbed for maintain water level in the field. Generally, animal drawn puddler, tractor&rsquo;s cage wheel and power tiller operated rotary tiller were used for puddling operation.A self-propelled puddler developed at IIT Kharagpur for rice crop was tested in sandy loam soil of Kharagpur district in India. The average value of puddling index and the puddle depth was found to be above 78 % and 107 mm, respectively. The puddling with self-propelled puddled was found to be at par with that of rotary tiller.&nbsp;</div>

​A Study on Fish Diversity, Marketing and Economics in Fish Markets at Kharagpur, West Bengal, India

Self-propelled puddler for rice (Oryza sativa) crop and its evaluation

A Study on Fish Diversity, Marketing and Economics in Fish Markets at Kharagpur, West Bengal, India