Check Retrieval accuracy for Assamese with openAI & Gemini

[PritamSGB]

Is your feature request related to a problem? Please describe.
We want to test retrieval accuracy of openAI for Indic languages

Describe the solution you'd like
Try out OpenAI, Gemini for vector search

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Golden QnA: https://docs.google.com/spreadsheets/d/1k50IL-Avm-X7A1T3q3K2i2WMh_yob6POTzyundwWKC8/edit?gid=0#gid=0