Amazon's Great Indian Festival 2023 and Flipkart's The Big Billion Days Sale 2023 are expected to launch simultaneously. Both sales are 'coming soon,' with unannounced start and end dates. 

Reports suggest The Big Billion Day may start on October 3-4. If true, Amazon's Great Indian Festival is expected to start on the same day.

Amazon's Prime members can access deals from 12 am on October 2, 24 hours ahead of regular customers.

Customers receive free first-order delivery, cash-on-delivery option, and easy returns.

Buyers enjoy an instant 10% discount using SBI credit and debit cards.

Expect significant price drops on popular smartphones like OnePlus, Samsung, and Motorola.

Anticipate offers and discounts on Apple products, including iPhone 13 and iPhone 14 models.