Ummm... its not just that. Its more like Indian deep-state and political leadership is EXTREMELY reluctant to enter into any conflict. We prefer to operate via diplomacy, negotiation and to a lesser extent via infiltrating in political systems. Like what we are doing in Nepal, what we did in Maldives and perhaps what we did in Sri Lanka.
My suspicion is that for whatever reason, either deep-state in south block does not trust its forces AND/OR it is very very much influenced by business houses. US deep-state, for example, is influenced by its MIC a lot. India does not exactly have a MIC. India has a lots of resellers masquerading as industry. They don't want a war which disrupts their supply chain and business. Remember, our esteemed PM has not exactly called for boycotting enemy goods?