well it is difficult to translate the phrase as it is, it would have been good if u wrote complete sentence one of possible translation may be aapki madad prashansaneeya hai

1.i appreciate your help; main apke madad ke sarahana karte hu.

1.i appreciate your help; main apke madad ke sarahana karte hu.

1.i appreciate your help; main apke madad ke sarahana karte hu.

appreciate your help= "MADAD KE LIYE SHUKRIYA"