Aizawl, May 11 : Mizoram government would go ahead with the fourth phase of repatriation of Bru refugees from the relief camps in North Tripura even as only seven families have returned till date, state home minister R Lalzirliana said here today. Lalzirliana said that attempt would be made to bring back 79 families from Hajacherra relief camp on Friday (May 11). While 669 families were proposed to be brought back during the fourth phase of repatriation scheduled to be conducted during April 26 to May 15. Officials said that the proposal to bring back 147 families from Kaskau relief camp on May 15 would be reconsidered as only six families out of 149 families proposed to be brought back returned to Mizoram on May eight. Officials, assigned to conduct the repatriation process would be leaving for the relief camps today while some officials would also be posted at the two facilitation camps at Kanhmun and Zomuantlang, the two villages along the Mizoram-Tripura border tomorrow.