<p>The present invention relates to oxazolidinone antibacterial agent anhydrous Linezolid crystalline Form-II. The anhydrous Linezolid crystalline Form-II of the invention comprises less than 0.5% of water content. The anhydrous Linezolid crystalline Form-II of the invention is characterized by the XRPD spectrum and IR spectrum described in the specification.</p>
