NEW DELHI: Gujarat-based architecture firm HCP Designs has won the consultancy bid for the Centre's ambitious project to redevelop the Central Vista, including Parliament and Rajpath, and develop a Common Central Secretariat for various ministries, Union Minister Hardeep Singh Puri said on Friday.The firm, which will be paid Rs 229.75 crore for consultancy services, will prepare the master plan of the project, including designs, cost estimation, landscape and traffic integration plans, and parking facilities among others, he said at a press conference.HCP Design, Planning and Management Pvt Ltd, based in Ahmedabad, is led by architect Bimal Patel and has developed several projects, including the Sabarmati Riverfront Development where Prime Minister Narendra Modi recently held a mammoth event to celebrate Mahatma Gandhi 's 150th birth anniversary.It has also developed the Central Vista at Gandhinagar and the Mumbai Port Complex.On the cost of the project, the Union housing and urban affairs minister said usually, the consultation fee is around three per cent of the total project cost.However, sources in the Central Public Works Department (CPWD) said the project cost may increase due to different aspects.The development or redevelopment of Parliament will be done by August 2022 when India celebrate's its 75th Independence Day. By next year, the Central Vista will be redeveloped and the common Central Secretariat will be built by 2024, as per plan.Puri, who was accompanied by ministry Secretary Durga Shanker Mishra and CPWD Director General Prabhakar Singh, said a total of six bids were received, and HCP Design 's selection was made by a six-member jury led by Director of the School of Planning and Architecture P S N Rao.The minister, however, made it clear that the facade of the 90-year-old Parliament building, and North and South blocks, which are heritage buildings, will not be touched while redeveloping the Central Vista, an over three-km stretch from Rashtrapati Bhavan to India Gate in Lutyens' Delhi.To facilitate the new Common Central Secretariat, several buildings such as the Shastri Bhawan, the Nirman Bhawan, the Krishi Bhawan and the Udyog Bhawan may be razed.The government has not taken a decision on it yet."It's a very a major project which will be executed on mission-mode... the time has now come to build modern, world-class, energy-efficient buildings which will be defining the characteristic of Delhi as a leading world capital for the next 200 years," Puri told reporters.He said that the revamp project will used the best technology to make Delhi a world-class city.The minister said the government will go through public consultations till the tendering process for selecting a contractor is complete.It will also engage various stakeholders such as heritage experts, urban and traffic specialists while executing the ambitious project of the Modi government, Puri said."At present, our government offices are strewn all over Delhi... We want all essential government offices at one place," Puri said, adding that the new buildings will be energy efficient and modern work places.Besides HCP Design, Planning and Management Pvt. Ltd, five other firms -- CP Kukreja Architects, Sikka Associates Architects, INI Design Studio, Arcop Associates Pvt Ltd and Architect Haffez Contractor -- participated in the bidding process.The ministry secretary said on Monday, he will call a meeting with those architecture firms which could not win consultancy bid and will get suggestions from them.On his part, CPWD Director General Prabhakar Singh said while choosing the architecture firm, 80 per cent weightage was given to quality aspect and 20 per cent to financial aspects.The buildings on Raisina Hills were constructed from 1911 to 1931 and designed by Edwin Lutyens and Herbert Baker, he said, adding that at that time, all these were designed to have offices for the viceroy and the secretariat.The Parliament building was constructed in the same period. Various building along Rajpath have been constructed at different stages for accommodating offices of various central government ministries and departments, Singh said.About the redevelopment plan of the Central Vista, Puri had in September said buildings that had been built in the 1960s and the 1970s should have been torn down many years ago."Something went wrong there," he had said.Using cricket terms to take a dig at earlier governments, he had said, "Either we (CPWD under previous governments) lowered the standard or we took eyes off the ball.""We wanted to spin the ball but something else happened and in the process it was a hit-wicket," the minister had said.