Please interprate these lines

Gaurav (cs Final) (57 Points)

12 August 2013  
"Provided that a company which is a subsidiary of a company, not being a private
company, shall be deemed to be public company for the purposes of this Act even
where such subsidiary company continues to be a private company in its articles"
 
plz sir/mam interprate these lines... i am in grate confusion in "not being a private company," whether it is related to holding company or subsidary company..... please rply as soon as possible