Light Green: This colour beret is worn by Military Intelligence. Though light green, in particular, its shades vary considerably and according to usage.The Light Green Beret is worn by MI
Another force with a light green beret is the Territorial Army
Dark Green/Rifle Green: This beret is worn by Rifle Regiments, Infantry regiments and some Light Infantry regiments (including the Mechanised Infantry Regiment), COBRA jungle warfare Commandos, and the National Cadet Corps.
A Rifle Green Colour Beret Worn by an NCC Cadet
Maroon: Who cannot recognise this beret? Not to mention, this beret is worn by The Parachute Regiment, Special Forces, Special Frontier Force or basically all Special Forces who are trained as Airborne Forces.
The most identifiable people with the maroon beret are the Para Commandos
Black: Another most recognised beret of the Indian Army is Black. It is worn by the National Security Guards (NSG) aka Black cats, The Armoured Corps and the Indian Navy (darker version of navy blue).
Not to forget the men in black – from beret to boots – the NSG commandos
Grey: This beret is worn by Army Aviation Corps. The Indian Air Force personnel use this colour extensively.
Lt Gen PR Kumar of AAC wearing a grey beret
Scarlet (Red): Though it resembles the maroon beret in colour, it is worn by the Corps of Military Police. Corps of Military Police is the military police of the Indian Army. In addition, the CMP is trained to handle prisoners of war and to regulate traffic.
Soldiers of CMP with Scarlet Red berets during a ceremony
Navy Blue: Another most recognised beret colour in India, it is worn by The Regiment of Artillery, Corps of Engineers, Corps of Signals, Support Arms and Services, Indian Coast Guard and the Indo-Tibetan Border Police Force.
Being Navy Blue, the beret closely resembles black in colour
Sand: Worn by Marine Commandos
Being the secretive force it is, the MARCOS beret colour resembles the colour of this helmet
Light Blue: This colour is recognised all over the world. All personnel serving with the United Nations forces irrespective of unit, arm or service wear a beret in Light Blue colour.
Apart from the Army, Navy and Air Force are also regular participants of the UN Peacekeeping Force