Reports said the buses were carrying several passengers mostly non-locals travelling from Imphal to Mao and onwards.
Some miscreants who tried to stop passengers from boarding resorted to physical assault on two persons and also damaged the two buses.
A woman passenger and a driver were injured when the two buses were attacked.
In protest, the Senapati District Motor Vehicles Owners Association, Manipur has called a 24 hour bandh on passenger vehicle services in the district on Tuesday.
The Senapati District Students Association (SDSA) also strongly condemned the incident and asked the concern authority to book the culprits at the earliest.
The attackers are suspected to be supporters of Drivers Council of Manipur which has said no freight and commercial vehicles should ply the NH 39 until the demands spelt out by the council is addressed and met by the state government.
The foremost of these demands is an assurance that there would be no extortion or harrassment of truckers on the highway by unauthorised organisations.
Meanwhile under the escort of troops of the IRB, Manipur Rifles, Imphal West Police and CRPF, 10 trucks carrying fertilizer,16 carriying edible items,13 cement, 5 carrying iron rods, 6 passenger buses, 4 oil tankers, 1 gas bullet, 2 Tata wingers and 2 trucks carrying sugar for the FCS department arrived via the NH 53.
The first incident occured near the 2nd MR gate when the bus(MNO1/1167) was stoned and a passenger riding in the front cabin sustained injury on the head. The driver of the vehicle also sustained some injuries.
The person is identified as Ningthoukhongjam Jamini Devi (35) W/o Rajendro from Malom.
The second incident happened in a similar fashion and the bus MNO1/0341 was stoned near Sanglakpham at Chingmeirong.
No was was hurt in the incident and the bus window panes were damaged.
Reports from a reliable source stated that the Drivers Council held another meeting today and further reaffirmed its stand that all vehicles which comes under the Council will ply on NH 53 only.
Presently passenger buses bound for Assam are plying along this highway at present.
Meanwhile the injured passenger Jamini has been admitted at RIMS Hospital. The driver of the bus who too received injuries has been identified as Shekho.
A reliable source said that she was among the passengers who will proceed to Guwahati with a bus engaged by a inter-state booking counter in Imphal for onward journey to Guwahati.
It may be mentioned that even though the council imposed ban on the vehicles travelling on the Imphal-Dimapur section of the NH-39, most of the booking counters of Imphal to Guwahati were open and sell tickets.
When enquiries were made, they said that they were selling tickets for buses on NH-53 Imphal-Jiribam.