BSF asserted that they will continue with embankment building work at Indo-Bangladesh border regardless of firing from Bangladesh' side.
Officials of the border guarding force had earlier called the incident ceasefire violation along the IB but as the details of the report came in, it was found to be an infiltration bid by armed terrorists.
The arrests were made from different districts of Tripura by teams of Assam police's special task force, he said.
'The fact that Anju is being welcomed in Pakistan and getting gifts is raising several doubts. That's why I have directed the special branch of police to examine the case minutely, whether it is an international conspiracy or not?'
A Border Security Force jawan and a woman were injured and two houses damaged on Saturday when Pakistani troops targeted Indian posts and civilian areas along the LoC in Nowshera and Sunderbani sectors of Rajouri district with mortar bombs and small arms fire, prompting the army to give a "befitting response".
As part of a new rotation policy of paramilitary forces' squads at the Republic Day parade, the contingents of two other forces -- the Central Reserve Police Force and Central Industrial Security Force -- have been taken out of the event this time, officials said.
Steps to resolve disputes on common areas of concern between India and Bangladesh were discussed at the four-day Border Security Force-BanglaDesh Rifles border coordination meeting in Kolkata.
In order to plug loopholes in the porous and unfenced borders along Pakistan and Bangladesh, India will soon set up a 'smart fence' mechanism as part of an over Rs 4,500-crore modernisation plan being implemented by the Border Security Force.
The avalanche, the third in a week in Jammu and Kashmir, buried two BSF bunkers housing 19 personnel.
There was movement of suspected persons along the International Border in Kulian-Suchetpur Border Out Posts in Samba district in the wee hours, police said.
Indian militants are fleeing from their camps in Bangladesh after the Sheikh Hasina regime came to power, the Border Security Force said on Friday.
The two soldiers were part of MONUSCO -- the United Nations Organisation Stabilisation Mission in the DR Congo.