Ecommerce logistics services firm Shiprocket is expected to launch its initial public offering (IPO) in the coming one to two weeks at a valuation of about Rs 7,000 crore, said people with knowledge of the matter.The pricing is about 30% less than its last private round valuation of Rs 10,000 crore when the Gurgaon-based firm raised capital from US conglomerate Koch Group, Japan-based MUFG Bank, Silicon Valley investor Tribe Capital, Susquehanna