Superstar Shah Rukh Khan has reached a milestone of 15 million fan following on Twitter, becomingthe second Indian actor to have the maximum admirers on the micro-blogging site after megastar Amitabh Bachchan.

The 49-year-old "Chennai Express" star lags behind Bachchan by 1.7 million followers.

The actor thanked his fans via a sweet message.

"Thanks all for following me, not cos I can lead the way but for the reassurance that u all r there in case I lose mine," he wrote.

He has left behind his contemporaries Aamir Khan and Salman Khan, who settle with 14.4 million and 13.7 million followers respectively.

From posting pictures from shoot and with family to sharing anecdotes about his career and personal life, Shah Rukh keeps his fans informed about himself and often engages with them in brief Q&As.

The actor will be next seen in Rohit Shetty's "Dilwale", Excel Entertainment's "Raees" and YRF's "Fan".