I had h1b petition valid from Oct 2012 to Sept 2013 , I was in US for 6 months on this VISA, during the period I was in US my employer filled for extn but later withdrew it becauses I returned to home country. Now recently I changed the employer . In my case do I need to go thourgh lottery again and if no, what happens if my earlier employer withdraws the petition. Thanks for reading,
