The Securities and Exchange Board of India (SEBI) has banned four entities from the securities markets for six months after finding that they had provided unauthorized investment advisory services without SEBI's registration. Additionally, these entities must refund the funds collected from investors within three months. The four entities are Course Work Focus, its proprietor Shashank Hirwani; Capital Research, its proprietor Gopal Gupta; and Rahul Patel, who is the proprietor of Capres. SEBI found that Course Work Focus and Hirwani collectively received over Rs 96 lakh from investors, while Capital Research, Gupta, and Patel together collected Rs 60.84 lakh by providing such unregistered investment advisory services.