Which among Motilal Focused 25, SBI Bluechip and Franklin India Bluechip should I invest in? Which fund after doing a basic analysis do you think is better?

All these three funds are from fund houses that have a good track record. Since fund performance varies over time, it is better to take into account your personal preferences and risk profile to advice the right fund.

For a selection of large cap funds you can look up: https://www.jama.co.in/direct-mutual-funds/best-equity-large-cap-direct-plan-mutual-funds/