The families came under attack at Salakati and Fakiragram in Kokrajhar district in the morning hours when they were going to railway station to board a train to Dhubri.
The injured three women and one a five-year old girl. All the injured were rushed to local hospitals where their condition was stated to be out of danger, a senior official said.
Meanwhile, indefinite curfew imposed in Friday in Kokrajhar was withdrawn on Sunday. It was imposed after the arrest of Bodoland People's Front Member of Legislative Assembly of Kokrajhar West constituency Pradeep Kumar Brahma the previous night on charges of inciting violence.
Curfew was relaxed from 6 am to 9 pm from Sunday. On the other hand the BPF which rules the BTC, also withdrew the indefinite Kokrajhar district bandh it had called in protest against Brahma's arrest.
Meanwhile, the anti-talks faction of the United Liberation Front of Assam on Sunday warned against attacks on 'Assamese people' in others parts of India. In a statement issued to the media here the outfit's 'commander-in-chief' Paresh Barua stated that so far 14 Assamese youth had been killed in various parts of India outside Assam and the state machinery was trying to project it as an outcome of religious fanaticism.
The ULFA leader termed the killings as pre-planned attack on Assamese youth working or studying outside the state and warned that if such attacks were not stopped, retaliatory attacks would be launched on people from those states in Assam.
The ULFA faction also flayed the ruling Congress and the BJP for fanning communal passion in the state through AIUDF leader Badaruddin Ajmol and Bishwa, Hindu Parishad-Bajrang Dal respectively keeping in mind the general election of 2014.
It asked Ajmal why he has failed to raise his voice against killing of Assamese youth outside while he has launched a global campaign saying that Muslims are being killed in Assam.The ULFA expressed concern that communal clashes were still occurring in western Assam and was threatening to spread to north Assam. It stated that there was no heroic involved in killing each other within the state as it was against the interest of formation of a greater Assamese nation.