Got the approval from Indian Standards Institution (Now BIS) in the year 1978.

Got the approval from DGS&D Head Quarter in the year 1980.

Got the approval from National Test House in the year 1985.

Got the approval from Export Inspection Council in the year 1988.

Got the approval from Bureau of Indian Standards (Formerly ISI) as per Revised Scheme 95 in the year 2001.