Turkish Prime Minister Recep Tayyip Erdogan said on Monday that the nation gave message at June 12 parliamentary elections that a new constitution should be prepared.

The ruling Justice & Development (AK) Party Chairman and Prime Minister Erdogan responded to criticisms by opposition parties on AK Party government's program at parliamentary general assembly.

Erdogan said that the nation also gave message at the elections that national unity and brotherhood project must be continued.

Prime Minister Erdogan said, "Everyone's life style, belief, language, culture and ideas are under guarantee of us, the government."

Commenting on the oath-taking crisis, Erdogan said the opposition was as much important as the ruling in democracies, but if opposition assumed a marginal stance in a country, then an advanced democracy could not take place there.

The main opposition Republican People's Party (CHP) and Peace & Democracy Party (BDP) have refused to take oath in a swearing-in ceremony of Turkey's newly-elected parliament. CHP's 134 deputies took oath after a meeting earlier on Monday between CHP and AK Party officials.

Replying to some criticisms in the parliamentary debate, Erdogan said that Turkey's total investments which had been 58.6 billion Turkish lira (TL) in 2002 reached 207 billion TL in 2010.

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