Is their any B-tech certificate given on basis of job experience? details on institute named "Asian institute of management and Engineering

I have completed my 3 years diploma in mechanical Engg. back in 2009,since i m doing private job. i m getting a regular b-tech certificate of back date option on basis of my job experience of 4 years by an institute named as 'Asian institute of management and Engg.' Is it a fake institute or not