Indelible (adjective) انمٹ، پکا، جو مٹایا نہ جا سکے

(of ink or a pen) making marks that cannot be removed.
Example: “an indelible marker pen”
Reduction (noun) کمی ، گھٹانا

the action or fact of making something smaller or less in amount, degree, or size.
Example: “talks on arms reduction”