BJP on Sunday said the rise of Aam Aadmi Party in Delhi is a matter of concern for it as much as for Congress and maintained it could have won clear majority had it not been a three-cornered fight.br br BJP General Secretary Rajiv Pratap Rudy said his party could have done even better if it had taken certain timely steps.br br Rudy conceded that rise of AAP is a matter of concern for both BJP and Congress.