RBI guidelines for Core Investment Companies (CICs) mandate 90% of net assets in group company investments, with 60% in equity. CICs over ₹100 crore need RBI registration and a ₹2 crore Net Owned Fund. No trading allowed, max two CIC layers per group, and large CICs require a Risk Committee. Details at: https://www.registerkaro.in/post/rbi-guidelines-for-core-investment-company