Dated elected-membership record
The official Rajya Sabha bulletin dated 4 April 2022 records Pabitra Margherita making oath or affirmation and taking his seat as an Assam member. The official biography independently records his April 2022 election, and the current roster lists the 2022-2028 term. The bulletin is dated House-membership evidence, not a Returning Officer result; exact polling or result-declaration date was not established.
Source: Rajya Sabha Bulletin Part I No.5612, 4 April 2022 ↗Document: 4 Apr 2022 · Verified: 26 Oct 2026