The Investigation Wing of North West Region Income Tax,Panchkula,carried out raids at as many as nine premises and surveyed one property owned by Talwarsons Jewellers,Sector 22,Chandigarh. The raids would continue till Saturday morning,said officials. Among the ten premises are three shops,one workshop and houses in Sectors 9,8 and 5 of Chandigarh. We are scrutinising the documents and will be able to make any official disclosure only on Saturday, said an official.