Kolkata-based jewelry retailer Senco Gold is preparing for its initial public offering (IPO), which will open on July 4 and close on July 6. The IPO consists of a fresh issue of up to Rs 270 crore and an offer for sale (OFS) of up to Rs 135 crore. The price band is yet to be determined. Senco Gold, the largest organized jewelry retail player in eastern India, primarily sells gold, diamond, platinum, silver, and other precious stones. Proceeds from the IPO will be used for working capital and general corporate purposes.