Purana Kila i.e. Old Fort is one of the historical buildings in India. The ancient Old Fort is situated near the Delhi Zoo. This fort is famous lovers point. The main attraction of this fort is lake. You can enjoy the boating in the lake. The price of boating in Purana Kila Lake is around 50 Rs for half hour and 4 persons can enjoy boating in the single boat. You can reach Purana Kila very easily from the ISBT. Mudrica services are very good in Delhi and with this bus you can reach here.