Hyderabad: Income Tax Officials had started raiding banks and Jewelry shops in Delhi, Mumbai, Kolkata, Bangalore, Chennai and Hyderabad. They are also vigilant on the poor persons standing in queues for exchanging old notes. There are incidents of depositing huge amounts of old currency in rural banks. It is also learnt that crores of rupees worth gold has been purchased during the last two days. Income Tax Officials have also raided these shops. They are also vigilant about Real Estate traders.