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The Amaravati Assembly: a 250-metre conical tower designed by Foster + Partners

You have probably seen the drawing of the Assembly with its tall cone. It is now a construction site. These are the numbers behind the picture.

Last reviewed

Amaravati Assembly tower illustrated from the published design
Proposed Assembly · Illustration of APCRDA’s design, not completed construction. APCRDA published reference
250 m
Conical tower height
₹617 cr
L&T contract
2 May 2025
Ground-breaking
2028
Target

Design

250 m · Foster + Partnerseverything else nearby

Foster + Partners designed the Assembly with Indian partners. Its shape takes its idea from the Kohinoor diamond. The plan is square and follows Vaastu. The public enters from the north and ministers from the east. The Assembly chamber is in the south-west, the Council hall in the north-east and the offices in the north-west, all around a central courtyard for public gatherings.

The conical roof rises to 250 m, which would make it taller than the Statue of Unity. It has two viewing galleries, at 80 m and at 250 m. Both chambers have glass walls. The building is planned with solar panels, natural ventilation, green roofs and water-saving systems.

Construction

  • Built-up area of about 1.1 million sq ft, including 3 lakh sq ft of parking (APCRDA's 2017 figures).
  • APCRDA gave the construction contract to Larsen & Toubro for ₹617 crore. The letter of award was handed over on 20 April 2025.
  • Construction began on 2 May 2025 at the Prime Minister's relaunch. The estimated completion date is 2028.
  • It was tendered together with the High Court in a combined ₹1,816 crore package. Tender reports put the Assembly alone at ₹768 crore.
  • On 18 September 2026 the CRDA authority approved ₹661 crore for the 250 m spire and gave permission to call tenders for it. Reports a week earlier had said spire work would start within days. The approval is the step on record; we have not seen a contract award for the spire.
  • In September 2026 the minister set a two-year target for the main government buildings, the Assembly among them.

Questions people ask

Who designed the Amaravati Assembly building?

Foster + Partners of London, working with Indian firms. Larsen & Toubro is the main contractor.

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