Hi sir i am reading in class 10 .My aim is becoming an ias officer. I want to prepare upsc from now.Plz suggest how to prepare and coaching

Hi sir i am reading in class 10 .I want to become an Ias .I want to start preparation from now. My cgpa in class 9th is 9.4 .Plz suggest good school to join and best coaching institution for preparation. I am good in maths and science . Plz reply my question i need proper guidance. Plz help me.