"The allotment was cancelled on October 21 on instructions of Noida Authority CEO Ritu Maheshwari who has directed officials to reclaim possession of the property within 15 days," the authority said in a statement.

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"The non-payment of dues includes those accruing from EMIs, interest, lease rent, construction delay by Unitech worth Rs 1,203 crore," it added.

"The allottee (Unitech) was served a notice on August 24 and multiple other notices prior to that, in which it was asked to clear the pending dues. It could not present any satisfactory explanation within the stipulated time limit and hence the action," the authority said.

The group is also accused of trying to have an agreement to sell 19,181.50 sq metre of land to M/s Sethi Residents and M/s GMA Developers, making them third-party, without seeking the authority's permission.

"This was done in violation of the lease law," the authority had said earlier.

Unitech representatives could not be contacted immediately for a response.