What script was used in Urdu that Hindus disliked?

What script was used in Urdu that Hindus disliked?

اردو میں کون سا اسکرپٹ استعمال کیا گیا تھا جسے ہندوؤں نے ناپسند کیا؟
Explanation

Urdu is written in the Persian-Arabic script, which was disliked by Hindus, who favored Devanagari (Hindi) script.

This script-based difference became a major cultural and political divide during British India.