Can you please give me the list of some of the best Mechanical core companies in India as it is very urgent for me?

As you want to get the list of some of the best Mechanical core companies in India so here is the information of the same for you:

Mahindra & Mahindra
Axles India Ltd
FIAT
Mahindra & Mahindra
GAIL
NALCO
Hyundai Motors India Ltd
BHEL.
Nokia India Ltd
Tractor and Farm Equipment (TAFE)
BEL
Steel Authority of India Limited(SAIL)
Ashok Leyland Ltd, Ennore
Ashok Leyland Ltd, Ennore
Hindustan Motors Ltd
Royal Enfield Ltd
Hindustan Petroleum Corporation of India
Ennore Foundries Ltd
Addison & Co Ltd
Geometrics
Hindustan Motors Ltd
Sundaram-Clayton Ltd
Esab India Ltd
VEDANTA.Addison & Co Ltd
Samsung India Electronics
Heavy Vehicles Factory, Avadi
Bharat Electronics Ltd.(BEL)
NHPC
Bharat Dynamics Limited
TATA Motors
Flakt (India) Ltd
Bharat Heavy Plates and Vessels(BHPV)
Westas Wind Technology India Pvt Ltd.
NTPC
Steel Authority of India Limited(SAIL)
Oil and Natural Gas Corporation(ONGC)
Integral Coach Factory, Perambur
Ford India Ltd
Chennai Petroleum Corp Ltd
Tube Investments of India Ltd
Hyundai Motors India Ltd
Tube Investments of India Ltd
SAIL
Indian Oil Corporation
BPCL
Saint-Gobain Glass India Ltd
Tractor and Farm Equipment (TAFE)
Royal Enfield Ltd
Axles India Ltd
Jindal Steel