New Delhi, Aug. 17 -- The primary market is set for another busy week, with seven companies, including Blackstone-backed Horizon Industrial Parks and Lalithaa Jewellery Mart, set to raise over Rs.6,400 crore collectively through initial public offerings (IPOs). The upcoming issues follow the launch of five IPOs this week. Horizon Industrial Parks will kick off the week on August 17 with its Rs.2,600-crore IPO, followed by jewellery retailer Lalithaa Jewellery Mart's Rs.1,700-crore issue on the same day. Shankesh Jewellers and film and television producer Sunshine Pictures will open their IPOs on August 18, raising Rs.367 crore and Rs.282 crore, respectively. Gaja Alternative Asset Management, which operates under the Gaja Capital brand, wil...