Megastar Amitabh Bachchan, a sports buff, is upbeat about cheering his son Abhishek's Indian Super League (ISL) team Chennaiyin FC in the second leg of the semi-final play-off against Kerala Blasters FC in Chennai Tuesday.

The 72-year-old also wants a huge crowd to 'roar' at the stadium.

"COME ONNNN!!!! #ChennaiyinFC...this evening be there at the Stadium to RRROOOOOOAAARRR!! I will be there!! WIN to FINALS! #CHENNAIYINFC MUST WIN BY 4 GOALS ..!!! Come onnnn ..!! we can do it .. Will be there in Chennai to ROAR this evening," he tweeted.

Chennaiyin FC face the daunting task of overturning a formidable 0-3 defeat in the play-off.