Enquiries indicate it belongs to an industrialist with links to a prominent cricketer.
The current headquarters, visited by thousands of people daily, is located close to the residence of party president Sonia Gandhi, raising security concerns.
The actress talks about Love Breakups Zindagi her maiden home production.
According to the list being finalised by the Central Public Works Department, about 10 politicians and senior bureaucrats, who have been found violating building norms in the LBZ, may get relief from the Urban Development Ministry. The ministry will grant the relief to VIPs like former Deputy Prime Minister and senior BJP leader L K Advani, Union Ministers Suresh Pachouri and Kumari Selja, former Governor of Maharashtra P C Alexander and IB Director P C Haldar.
Earning the coveted UNESCO tag would not only have ramped up revenues through enhanced tourism but also helped in keeping monuments and heritage buildings in Delhi free of encroachment, say experts.