Purnea, Sept. 15 -- Prime Minister Narendra Modi on Monday accused the Congress-RJD (Rashtriya Janata Dal) "ecosystem" of patronising infiltrators in Assam, Bihar, Bengal and said that his National Democratic Alliance government is firmly committed to stopping illegal infiltration.

Addressing a public rally in Purnea in Bihar after inaugurating the new airport here, the Prime Minister accused Opposition parties of Congress and RJD of backing "infiltrators" and holding yatras to protect them.

Reiterating his Independence Day address from the Red Fort, PM Modi in which he announced a National Demographic Mission he stated that the problems of demographic imbalance and security threats caused by infiltration were especially severe in Seema...