"With the advent of Islam many such Dara's had converted and to differentiate themselves from Brahmin Dara's, convertee's modified it to Dar while Brahmins persisted with Dhar. ... It is essential to understand that Dhar and Dar is question of writing these in then prevalent script Sharda (then Upbrahmbasha), which could have introduced this subtle discrepancy in pronunciation more so if it was uttered in Sanskrit, which got distorted while speaking Kashmeeri."