Indo Muslim greeting Adab probably used since Indus Valley Civilization

[W.11]

Adab (gesture)

It is possible that Adaab was used by South Asians since the periods of Indus Valley Civilization along with namaste gesture, so it was not created during the mmughal era

Meluhha seal from Mesopotamia

an akkadian seal shows meluhan dignitaries greeting them

IVC seal

Coin from Gupta empire

Chandraketugarh, Bengal 2nd BC

https://www.sylph-ocular.com/t156#8

 

[Juggernaut_Flat_Plane_V8]

solid research...Whenever I think of Adab gesture I think of the Hindkowan SRK...It's second nature for him

 

[W.11]

Some form is even used in Kathak dances, here one dance figure from chandraketugarh

https://versaillesencheres.auction....ketugarh-200-av-a-50-ap-15882731#.Xn-30YhKjIU