Indian stock markets are set for a positive opening, buoyed by firm global cues and hints of a potential interest rate cut from the US Federal Reserve. Several major Indian companies have announced significant developments: Hindustan Unilever's subsidiary Kwality Wall's is set for demerger, Tata Consultancy Services faces an adverse US court ruling, Natco Pharma received USFDA observations, and Tata Power is undertaking a major hydro project in Bhutan. Investors will also track earnings from Siemens Energy India and Supreme Infrastructure India, alongside capacity expansions by Tata Chemicals and revenue milestones for Marico.