Ahir Bhairav is a Hindustani classical raga. It is a mixture of Bhairav and the ancient but now rare raga Ahiri or Abhiri, or perhaps a mixture of Bhairav and Kafi.

Arohana and avarohana

Arohana

S r G m P D n S'

Avarohana

S' n D P m G r S

Key:
S, R, G, m, P, D, N: shuddha (natural);
r, g, d, n : komal (flat);
M: teevra (sharp)

Pa and Sa are sometimes avoided in ascending [Arohan].. The descend can be direct, but is often expressed as S' n D P m, G m Gr ~ S with a slight oscillation on komal re to express the character of Bhairav [1]

Vadi and samavadi

Vadi
ma
Samavadi
Sa
But Ga, Pa and Dha are also frequently sustained.