hi,

see coaching notes may help you for preparation, but to get a higher score you must study a lot and make your self study notes, short notes, give mock exams as well. I have mentioned some popular coaching institute in delhi which offer upsc preparation classes.

Vajiram & Ravi – IAS Coaching in Delhi.

Vajirao Institute –  IAS Coaching in Delhi.

Chanayakya IAS academy

Sriram's IAS Coaching Institutes in Delhi.

Elite IAS Academy in Delhi.

Chahal Academy –  IAS Coaching in Delhi.

Classic IAS Academy in Delhi.