If we use a method of Pharmacopia Refrence than How will be do method validation in short terms and and How"s we parameter we Analysis.
You do not need to validate the pharmacopoeial analysis methods.
Verification is what he is asking, I think.
Pharmacopoeial methods do not require method validation but need to be verified under actual conditions of use. You can refer USP Chapter 1226 for the same. Parameters is not specifically clear in chapter but it depends upon the criticality of the method and product to be analysed.