As you asking for the names of the Lubricants of the HPCL the names of the Lubricants of the HPCL is as follow :

Hylube Hdx MG 20W40
Hylube X3 10W 30,40,50
Hylube MTU 40
Hp Laal Ghoda 20W40
Hp Milcy Power 15W40
Hp Pumpset oil(LG)20W40
Hp Rail Road oil 813M
Hylube X3 10W(KB),30(KB)
Hylube Milcy 30,40,50
Hp Rail Road oil 613
Hp MILCY EUROL 15W 40
Hp MILCY Super 20W 40
Hp Rail Road oil 713
Hp Hylube LL 15 W 40
Hylube Extra 20W 40
Hylube Rail Road oil 817M
Hp Milcy Turbo Tech 15W4

Hp Natural Gas Engine oil L40
Hp Natural Gas Engine oil L15W 40
Hp Natural Gas Engine oil A 40
Hp Natural Gas Engine oil M 40

FourWheeler

Hp Extra Super Motor oil 20W40/20W50
Hp Extra Super Motor oil MG 20W40/20W50
Hp CRUISE 15W 40
Hp RACER 4