Right academy plays a vital role in the success of an IAS Aspirant, and students can indeed achieve success in 1st attempt too. I would recommend you to go for Chanakya IAS Academy. Very good faculties, helpful study material and notes, library facilities, mindblowing test series, mock interviews. You should once get connected with the experts there to know the details and guidance. Mr. AK Mishra Sir himself provides incredible guidance to the students, and their seminars with successful candidates are impeccable. The Academy is actually doing well, and helping aspirants fulfil their dreams.
Check out the link below and get connected with their experts for further information, I think that would be helpful for you.
http://www.chanakyaiasacademy.com/