New Delhi, Oct. 3 -- Flipkart has revised its Goods Transport Agency (GTA) rate card, a copy of which Mint has reviewed, in a shift that's slicing into brand toplines.

The Flipkart-Myntra restructuring pushes logistics costs onto sellers, squeezing already thin margins. Multiple sellers told Mint that Flipkart is unfairly using a small-transporter goods and services tax (GST) rule to boost its own profits and cut theirs, which explains why sales figures vary between platforms.

Goods Transport Agency refers to businesses that move goods by road and issue a consignment note. Under GST rules, freight billed by a GTA can be subject to a lower or even exempt tax rate.

"It cuts our topline and margins, while boosting theirs. Earlier, when a ...