What really causes the move at 14:00 in indian markets

This trend is quite prominent, some days the market is flat moving sideways until around 13.30 or 14:00 and starts moving up or down at a vigorous pace. What causes this move?

  1. Is it people squaring off their intraday open positions?
  2. Is it the open of European markets?

That’s when the fund managers from EU and UK wake and start trading in emerging mkts. Based on day light savings this is anytime between 13:30.to 14:30!