Trying to run every platform at once, with the same content on each, is one of the most common ways businesses waste a social media budget. Different platforms serve different intents, and content built for one rarely performs as well when copy-pasted to another.
Instagram rewards visual, lifestyle-driven content and works best for brands people want to browse. LinkedIn is built for B2B trust-building and works when the goal is credibility, not virality. YouTube rewards genuine explanation and demonstration — it's where long-consideration purchases get researched.
The better question isn't "which platforms should we be on," it's "where does our actual audience already spend time, and what are they there to do." Two platforms done well consistently outperform five done half-heartedly.
In the Indian market specifically, WhatsApp is consistently underused as a marketing channel despite converting better than almost anything else once someone's already interested — a click-to-chat ad or catalog message often closes a sale that a form submission never would, simply because it meets people where they're already comfortable talking.
It also helps to think in terms of funnel stage, not just platform. Instagram and short-form video tend to do the heavy lifting for awareness — introducing people to a brand they didn't know existed. Google and search-driven channels tend to catch people already close to a decision, actively looking for a solution. Treating every platform as if it should do the same job leads to judging a channel by the wrong metric.
Before committing meaningful budget to a new platform, a small test — a few weeks, a modest spend — tells you more than any amount of theorising about where the audience "should" be. Some assumptions about where a specific audience spends time turn out to be wrong in practice, and it's cheaper to find that out early.