Why did trading apps show 50% drop in Reliance share price today?

Reliance Industries' share price showed a 49.6% drop from Friday's closing price of ₹2,655.45 on trading apps on Monday. It's because the shares turned ex-date for bonus issue in the ratio of 1:1, leading to adjustments in share price. Shareholders will receive one additional bonus share for every share they own. The share price later recovered and was up 1.53%.