I am an astt prof of RPBM Jiaganj College of Engineering and Technology (Jiaganj, Dist-Murshidabad, West Bengal-742123), besides the job I do software development at home and supply customize software to organization like Schools, Colleges, shops etc. I supplied a customize software (KVPTTI Library Management 5.0 ) almost 7months back, but still waiting for my payment. During the product delivery they assured that payment should be done within 3months but after 7months the payment is still due and they ignoring to paying. I have with me all the details of product delivery and due money receipt. Please do help.