I have updated 4images v1.7.2 it doesn't show the UNICODE in the sub categories list, but it's work in all other pages how to fix this error.
It show this.
& #2949; & #2950;
In the html view it's show this
அ ஆ
It doesn't replace "&" into "&" in sub categories list but it replace in the other pages.
Jamstave.