In the context of the Vedic period, the term 'Nishka' originally referred to a type of:

💡 Solution & Explanation

During the early Vedic period, the term 'Nishka' specifically denoted a valued gold ornament worn around the neck, as evidenced by contemporary texts. Over subsequent centuries, its utility shifted from personal adornment to a standard medium of exchange and eventually a coin. Options suggesting agricultural implements or sacrificial animals lack textual backing in Rigvedic literature. The later evolution of metallic currency in ancient India facilitated the rise of urban trade centers during the Mahajanapada era.