What lessons were exchanged by the Indian and French Army Chiefs regarding the war in Ukraine

Unfortunately, there is no information available regarding any lessons exchanged specifically between the Indian and French Army Chiefs in relation to their experiences in the war in Ukraine. It is possible that such exchanges may have taken place, but the details and specifics are not publicly accessible. It is important to note that military cooperation and exchanges of information between countries are common, but the exact nature of these exchanges can vary and may not always be disclosed to the public.