Can the two years of Master's study be counted towards the total duration of a PhD in France if I pursue an integrated program?

No, your 2 Master's years generally do not reduce the formal 3 year doctoral registration period in France. The French national doctoral platform defines the reference duration of a full time PhD as 3 consecutive academic years, counted after you hold a Master's degree or its equivalent.

How An Integrated Program Actually Adds Up

What Could Change This

• Prior research experience: the doctoral school can adjust the doctoral duration in certain circumstances based on your existing research skills, though this is not automatic.
• Direct PhD entry: if you already hold a Master's degree or an equivalent qualification, you may be able to apply directly for a French PhD without repeating a Master's.
• Supervisor and doctoral school acceptance: a Master's degree alone does not guarantee PhD admission; you also need a research topic, a supervisor and doctoral school approval.

My Advice

Do not choose an integrated program expecting it to shorten your PhD; budget for the full 5 years and treat the integrated structure's real benefit as a smoother transition and closer supervisor relationship rather than time saved. If you already hold an Indian Bachelor's degree, ask the specific French institution whether it treats your qualification as equivalent to their required Master's level, since this can open a more direct PhD route.