The short answer
Let the deal size and the product decide, not fashion. If someone can get real value alone in one sitting, a trial works and a sales call is an expensive way to say hello. If your product needs configuration, data, or three people in a room to be useful, demo first, because a trial just gives them a bad experience they will blame on you. Freemium is a distribution strategy, not a pricing one: it earns its keep when your product spreads inside a company or gets more useful with more people on it, and it is a slow bleed otherwise. In India there is one extra wrinkle worth knowing: buyers tend to prefer a genuinely useful free tier over a countdown clock, because their internal decision cycles run longer than your 14 day trial. And whichever door you pick, the first session is what actually decides conversion.