Big Billion Days and Great Indian Festival: Your WhatsApp Plan
Updated 20 September: Flipkart confirmed Big Billion Days 2026 opens on 9 October with early access on the 8th, and Amazon opens on the 8th, two weeks later than the pattern suggested. Most of the runway goes on template approval rather than copy. Here is the corrected plan: the 1 October submission deadline, the five-message arc, the four segments that stop you overpaying, and what a sale week costs in INR now that the sale falls after the 1 October pricing change and every support reply is on the bill.