Recommendations for a good counsellor for masters in Germany. Which ones do you recommend?

I'm looking to hire a good counsellor for my applications to universities in Germany, but cannot seem to decide from so many options. my_qualifications are Btech CSE from VIT vellore with 8 CGPA. I have no information regarding the processes to apply and deadlines for various Unis. Could somebody please help me out or point me to a place where I can learn more