sanctum sanctorum

a place of inviolable privacy; "he withdrew to his sanctum sanctorum, where the children could never go"

गर्भगृह के द्वार पर विशाल द्वारपाल पहरा दे रहे हैं.

Thus the grouping round the main sanctum forms a panchayatana complex of five subsidiary shrines hugging close on to the sanctum sanctorum.