Stat audit in a jute mill

Respected CCI user,Experts, and ofcourse the auditors..

Currently i'm.(as an Article) gng to a Jute Mill for Stat Audit..

so i want from u people to give any type of tips...suggestions..etc for doing stat audit in a professional way..

I hv started with Routine Checking in which i'm checking Purchases of Jute Bales....so pls highlight wht aspects/documents needs to be checked while checking Jute and Store Purchases...pls support ur replies with logic behind of checking those docs..

pls share ur any type of experience related to Audit of Jute mill even it is of Internal audit exp...

thanking you...