We developed one protocol for measuring estrus intensity in Assam local goat in 2000.You can modify it accordingly. You will also find the complete article in research gate where I kept in my profile. You can refer "Behavioural and physical signs of estrus in Assam local goat" Indian j. Anim. Reprod, 21 (2):126-127. You can find estrus symptoms recorded in local goats of Kashmir
Dear Dr. Sharma; please find our paper (as attached below);
Ucar et al., 2005; "Effect of Progestagen/PMSG Treatment for Oestrus Synchronization of Tuj Ewes to be Bred after the Natural Breeding Season"ACTA VET. BRNO 2005, 74: 385–393,
for some details of classification of oestrus signs in fat-tailed ewes.