Both Pepsi and Coca-Cola recently introduced 400 ml packs for Rs 20, offering 150 ml free. Analysts note these aggressive price points may ... with 50% of the sales in the March to June period.

Since 2010, sales volume of its carbonated soft drinks—including Diet Pepsi and Pepsi Zero Sugar—has dropped 32%, compared to Coca-Cola’s 14% decline, according to Beverage Digest.