As of my last update in September 2021, there have been no  suggestions or believable reports suggesting that Pakistan is on the verge of being divided into four  corridor.

 Pakistan is a autonomous nation with its established borders and a government that governs the entire  home. While countries and their political  geographies can evolve over time due to a variety of factors, the division of a nation into multiple  corridor is a complex and significant process that involves legal, political, social, and  literal considerations.  

 Such a  metamorphosis would  probably bear thorough accommodations,  agreement among  colorful stakeholders, and conceivably  transnational agreements. also, any major changes to a country's territorial integrity would have wide- ranging counteraccusations  for its citizens,  bordering  nations, and the global community.

   It's important to approach  conversations about implicit geopolitical changes with caution and calculate on believable sources of information,  similar as  sanctioned government statements, admired news outlets, and academicanalyses.However, I would not have access to that information, If there have been any developments since September 2021.   

To stay informed about the  rearmost news and political developments related to Pakistan, it's  judicious to follow trusted news sources and  sanctioned statements from applicable authorities. Political situations can be fluid, and accurate and current information is  pivotal for a well- rounded understanding of  similar matters.