Mr Masra and his Transformers party alleged massive electoral fraud.
“To all Chadians who voted for change, who voted for me, I say: mobilise. Do it calmly, with a spirit of peace,” Mr Masra said in a broadcast.
The president is elected for a five-year term.
The UN called on all actors to show calm and restraint, particularly when Chad is entering the final stages of its political transition.
The new commander took over from Maj. Gen. Gold Chibusi at the headquarters of the MNJTF in N’djamena, Chad Republic.
According to him, at the strategic level, a security and defence partnership exists.
The coordinator said the returnees comprised 34 males, 18 females and 52 children who hailed from Kano, Katsina, Borno, Akwa Ibom and Yobe.
Mr Dujarric said the humanitarian needs prior to the floods were only funded at 34 per cent as of mid-August – with $171 million received out of $510 million needed.
The president made the assertion when he received a special envoys of the country’s transitional leader Mahamat Debt at the State House Abuja.
The Headquarters, Multinational Joint Taskforce (MNJTF), has honoured 24 military officers from the Republic of Benin, Nigeria, and Chad with MNJTF medals.
