The groups say they bring a critical perspective from outside of parliament.
Thein Sein asks parliament to consider new legislation.
Watchers say the panel must take real action to eradicate endemic corruption.
Trucks carrying 10,000 aid kits arrive in northern Myanmar.
The statement comes after Muslim writers and opposition members are barred from literary discussions.
The special rapporteur for human rights wraps up his last visit to the country.
He calls for a focus on amending articles widely seen as undemocratic.
Tomas Quintana is on his final visit to Myanmar before presenting his report to the UN Human Rights Council next month.
Reporters previously granted three-month visas will now be allowed to work in the country for only a month.
The planned March survey includes sensitive questions on ethnicity and religion.
A federal system of government is the ultimate objective of his initiative to forge peace with armed ethnic groups, he says.
The groups say amendments are needed for genuine democracy.
But the directive does not mention UN allegations of Rohingya Muslim killings.
MPs say parliament should call for government action.
Five staff members from the Unity journal are investigated for 'leaking state secrets.'
Protesters and opposition figures call for action against the former general.
But ruling party members from Yangon send more than 100,000 letters against key amendments.