Private equity firm Samara Capital along with Amazon.com Inc., the world’s largest online retailer, have agreed to buy Aditya Birla group’s food and grocery retail chain, More. The transaction is said to be valued at around Rs.4,200 crore. The acquisition of Aditya Birla Retail Ltd will be done through Samara Capital’s arm Witzig Advisory Services Pvt. Ltd in which Amazon is a minority shareholder. It will first buy the stake in Aditya Birla Retail from RKN Retail. The balance stake will be acquired from Kanishtha Finance and Investment Pvt. Ltd, another promoter entity of Aditya Birla Retail.