Consider, for example, the fact that India offers the citizens of Nepal national treatment on its soil. Nepalese are free to come and work in India including in its Central government services. India will not offer this to any other country, nor would Nepal get it from anyone else. This arrangement, of course, is unilateral. Nepal does not offer national treatment to Indian citizens. Nepal on its part allows its citizens to serve in large numbers in the Indian army. This is the kind of intimacy that you rarely see between any two nations.
Every political faction in Nepal believes it has allies in Delhi.
If Nepal has a settled constitutional framework and its elites share power on that basis and ensure peaceful political transitions, Delhi will have no reason for injecting itself into its internal disputes.
While Delhi’s political classes see Nepal as a mere extension of India and the security establishment views the northern neighbour as part of India’s exclusive sphere of influence, the economic decision makers have treated Nepal as a separate sovereign entity. Delhi’s economic separatists have done more damage to the relationship than the political separatists in Nepal.
They allowed the border infrastructure to deteriorate and turned an open frontier into a huge barrier for trade and commerce