Kidzee School — not able to run imagenie spell-english app

Address:

Nagpur, Maharashtra, 440002

I am able to run the learning app. The username and pwd are not valid which i have received. I have contacted the respective kidzee center, the login username and pwd are invalid as per the app. I have downloaded the necessary apps, got thru the procedure, got the username and pwd from the center, then also every time its showing invalid username, pwd.
Please guide me properly so as i can help my child grow by comprehensive learning.