Lothal is located between the Sabarmati river and its tributary Bhogavo, in the Saurasthra region of Gujarat. Its dockyard was well connected with the river Bhogavo.
Earliest evidence of Banking in India is found from the period of Vedic Civilization. During those days, loan deeds called rnapatra (ऋणपत्र) or rnalekhya (ऋणलेख्य) were prevalent. Interest rates as well as usury (सूदखोरी) was prevalent in Vedic India. The Vedic word Kusidin refers to an usurer (सूदखोर).This term is also found in Manusmriti.
Halivakara is a kind of tax in the Gupta era. Halivakara was a plow tax, paid by every cultivator owning a plow.Some of its taxes include Bali, Bhoga, etc.
The third Sangam was held at the present Madurai in Tamil Nadu. The third sangam had 449 poets and the important ones among them include Nakkirar, Iraiyanar, Kapilar, Paranar, Sattanar, Auvikyar etc.
The famous Chola king Karikala of the Sangam age is credited with constructing a dam on the Kaveri river. It is considered to be the earliest dam in the country.