The Corps has varying responsibilities related to the design, development, trial, inspection and refit of weapon systems and equipment.

On 15 October 1943, actual transfer of personnel from the Indian Army Ordnance Corps (IAOC) to IEME took place.

Major General Harkirat Singh, KCIO, was appointed as the first Indian Director of the Corps of Electrical and Mechanical Engineers.

The horse chained to the globe symbolises harnessed mechanical power with the lightning flashes depicting electrical energy.

On the top of Crest is the National Emblem of India and the Corp's motto inscribed Karm Hi Dharm in Devanagri Script.

The design for the Corps colours was proposed by the then DEME, Major General SP Vohra, and approved by the then President Dr S Radhakrishnan, in March 1964.

The President of India, Dr S Radhakrishnan, presented the Colours to the Corps on 15 October 1964 at 1 EME Centre Secunderabad during the 21st Anniversary celebrations.

The Colour party consisted of Lieutenant RP Nanda, Havildar Major Dev Raj and Naik bashisht.

It was the first amongst the Services to receive Regimental Colours, an honour bestowed to acknowledge the contribution made by this young Corps.

The old colours were put to rest and new colours were presented to the Corps at 1 EME Centre, Secunderabad by the Gen NC Vij, PVSM, UYSM, COAS on behalf of the President during Diamond Jubilee Celebration and Eighth Corps Reunion on 23 November 2004, at 1 EME Centre, Secunderabad.