E-commerce major Flipkart group’s business-to-business marketplace Flipkart Wholesale said on Thursday it will triple its reach by July-December 2021, following which the marketplace will serve kirana stores in 2,700 cities across the country. The company said it will be grow its supplier base by 58% in 2021, having seen its kirana customer base rise 17% year-on-year during January-June 2021, it …