Stocks in news: Vodafone Idea, Kotak Bank, Bajaj Auto, Blue Jet, Bikaji Foods

Markets saw gains amid weekly expiry, with several companies in focus. Prakash Industries declared a dividend, while Blue Jet Healthcare's promoter will sell shares via OFS. Sumitomo Mitsui plans to sell its stake in Kotak Mahindra Bank, and Bajaj Auto will pass on GST reductions to customers. Vodafone Idea is challenging AGR demands in the Supreme Court.