Supply of Diesel Engine Crank Case Oil With Gr-Ii Base Oil Of Following Rdso Approved Brands Servo Rr-606 Mg Plus Gr-Ii Of M/S Ioc Or Hp Rr 813 M Of M/S Hpc Or Mak Rr 513 M Of M/S Bpc Or Balmerol Rr 513 M Of M/S Bl Or Esso Diol 13 Rd 2040 Of M/S Exxon Mobile.