Groups left outside the peace deal, notably the 1m Uzbeks spread across the country, and backed by Uzbekistan, have little to lose by destabilising the present diarchy.
ECONOMIST: Tajikistan
2.
Still others say the fabled Delhi diarchy - Mr Singh would run the government, while the powerful Congress party chief Sonia Gandhi ran the party - has failed.
BBC: Why is India's PM Manmohan Singh under attack?
3.
Politics is a fickle business, and three years into the Congress-led government's second dismal term in office, Mr Singh's strengths - and the Delhi diarchy - appear to have become liabilities.