Answer : 2. " प्रशासनिक इकाई"
Explanation :

1. In the context of the Gupta administration, the word 'this' means administrative unit.

2. Mention of rituals is found in the inscriptions of the Gupta period. For example, the Faridpur copper plate of 405 AD, mentions a Vithipati who worked together with 20 Mahattars of a subject.