Diet Coke raises India price as aluminium-can disruption prompts larger pack shift

Coca-Cola has replaced Diet Coke’s Rs 40, 300-ml can with a Rs 50, 330-ml format in India, lifting the per-ml price by 13.6%. Aluminium-can supply disruption linked to the Iran war and Strait of Hormuz trade has also led some bottlers to temporarily offer 200-ml glass bottles.

— Source publishedFri, 24 Jul, 2026, 13:05 IST·First seen Fri, 24 Jul, 2026, 13:24 IST·Source ET Small Business

What happened

Coca-Cola has raised Diet Coke prices in India and shifted from 300-ml to pricier 330-ml cans as Iran-war disruption constrains aluminium-can supply through the

Key facts

  • Diet Coke price increased by more than 10%
  • 300-ml can previously priced at Rs 40
  • 330-ml can introduced at Rs 50
  • Per-ml price increase is 13.6%
  • Limited 200-ml glass-bottle offering
  • Diet Coke party entry fees of $10-$16

Why this matters

Packaging-supply vulnerability strengthens the strategic case for investments or partnerships in local can manufacturing, returnable glass capacity and flexible multi-format bottling.

What to watch

  • Duration of Strait of Hormuz disruption, aluminium availability, can-sheet premiums and India-bound container freight rates.
  • Whether the Rs 40 entry price reappears in any Diet Coke format or channel.
  • Stock-out frequency and retailer allocation of 330-ml cans versus 200-ml glass bottles.
  • Diet Coke volume trends in convenience, quick-commerce and foodservice versus modern-trade multipacks.
  • Pricing and pack-size responses from Pepsi Black, Coke Zero Sugar and domestic carbonated-drink brands.
  • Any broadening of can-format changes to Coca-Cola, Sprite, Thums Up or other high-volume India brands.
  • Coca-Cola is likely to prioritize available cans for high-margin urban outlets, quick-commerce, airports, cinemas and modern trade rather than broad traditional-trade distribution.
  • Bottlers may increase use of 200-ml returnable glass bottles and PET packs, supported by outlet-specific pricing and deposits where applicable.
  • The company may use multipack promotions, foodservice bundling and digital coupons to protect Diet Coke trial without formally reversing the Rs 50 shelf price.
  • Competitors may hold smaller-pack price points or promote zero-sugar alternatives to frame Diet Coke's move as a premium-price gap.
  • Retailers may reduce facings for slower-moving canned Diet Coke if replenishment becomes inconsistent, reallocating cooler space to PET, glass or faster-selling sparkling beverages.