API-CD, MIL-L-45199B, IS-496:1982 HD Type 4,G.M.-MI- 1761C
IS -4578 :1997
IS-3098-1983 Reaffirmed 1993
IS- 11656 -1986 Reaffirmed 1991. IS- 10522 -1983, DIN- 51524 Part-2, US Steel-127
IS- 14745:1999
IS- 493-Part- II -1981 Reaffirmed -1993
IS -8406 : 1993 (EP Type Gear Lubricants as per VG Grades) US Steel -224 requirements..
IS-3098-1983 reaffirmed 1993