SIGMA Foundation is a not for profit’ society. It was established in the year 2014 for serving the society in various ways with the initiative of Dr. M.N. Roy, the founder President of the society. It was decided to strengthen the activities for which the organization was registered under the West Bengal Society Registration Act in the year 2017 and was given the Registration No. S/M/ No. 5053 dated the 4th September of 2017-18. The head quarter of the organization is at Kolkata. It has offices in Patna (Bihar) and Aurangabad (Maharashtra) and have representatives in the state headquarters of Assam, Jharkhand and Bihar for coordination of projects taken up in those states. It is capable of taking up projects in any state of the country.