YOU SAID:
Kindly do the needful!
INTO JAPANESE
親切に必要なことをしてください!
BACK INTO ENGLISH
Kindly do what is necessary!
INTO JAPANESE
必要なことはお気軽に!
BACK INTO ENGLISH
Feel free to do whatever you need!
INTO JAPANESE
必要なことは何でもお気軽に!
BACK INTO ENGLISH
Feel free to do whatever you need!
That didn't even make that much sense in English.