NCP MP Supriya Sule said the Union government is going to spend Rs 800 crore to Rs 1,000 crore on the Central Vista project.
Additional secretary of the Union Housing and Urban Affairs Ministry is the chairman of the Heritage Conservation Committee.
'Answer honourable elected Prime Minister,' he said hours before kick-starting the first phase of his campaign for the Assembly polls from Madurai in southern Tamil Nadu.
Amit Shah said the new Parliament building will be a symbol of a self-reliant India and a centre for fulfilling aspirations of all Indians.
Systems and norms may have changed from time to time but democracy always remained our soul, he said.
What would the new Parliament building represent when it's built after trampling democracy: Congress
Congress chief spokesperson Randeep Surjewala said in a democracy, power does not mean fulfilling one's whims and fancies, but serving people and public interest.
Modi said many new things were being done in the new Parliament House, which will increase the efficiency of the MPs as modern methods will be incorporated in the work culture.
The existing Parliament building will be conserved as it is an archaeological asset of the country, Birla said.