Bulldozers on illegal construction: 25 properties demolished, four sealed; MCD issues notices to six after the Satya Niketan tragedy.

Here is the translation of the given Hindi text into English: Bulldozers on Illegal Construction: 25 Properties Demolished, Four Sealed; Following the Satya Niketan tragedy, the Municipal Corporation of Delhi (MCD) continued its crackdown on illegal and unsafe construction. The MCD's bulldozers were deployed for the second day on Friday to demolish six properties after a PG building collapsed in Satya Niketan, resulting in the deaths of seven people. The MCD took action by demolishing 25 properties, while four properties were sealed. Additionally, six properties were sealed due to unauthorized construction as a reason.