Start with the exact local need
Local help works best when the request is specific. Explain what needs to happen, where it needs to happen, when it is needed, and what outcome would be useful.
A vague request like "need local help" is harder to answer. A clearer request like "need someone in Pune to check a rental apartment and share practical observations" gives helpers enough context to respond usefully.
The more concrete the need, the easier it is to find someone trustworthy and relevant.