It will be difficult for me to comment for the coaching, but if preparing from home, all the coaching related notes and material can be found at the following links. Hope it helps out of delhi aspirants 🙂
Anthropology Lakshmaiah IAS Classes PRINTED CLASS NOTES
ANTHROPOLOGY BY MUNIRATHNAM REDDY FOR IAS AND PCS EXAMINATION
ANTHROPOLOGY TARGET IAS SOSIN MAM
ANTHROPOLOGY vaid sir Printed material