Imam Khomeini and Khamenei - Sign in Urdu - Leh to Srinagar road - Kashmir
Urdu is the language used by most people in Kashmir. It uses Perso-Arabic script. For more information about Urdu, read this Wikipedia article: en.wikipedia.org/wiki/Urdu
If you can read this sign, please post the english translation in a comment, thanks!
Apparently they used this photo of the two clerics as a model for this painted sign.