Home/रांची बड़ा तालाब के नीचे छुपा है एक प्राचीन नगर, जानें रोचक एवं अनसुलझे तत्थ/An ancient city is hidden under Ranchi’s big pond, know interesting and unsolved facts (1) An ancient city is hidden under Ranchi’s big pond, know interesting and unsolved facts (1)