if i will not find my h1 sponser during my opt

i m shabbir n m doing non STEM master. it will be finished in aug-2015. if i will not findout field relavent job n h1 sponser during my OPT then wht will happened? can i do onther masres which comes under STEM after complition of my 1OPT? then i m eligible to apply for 2 OPT n its extention after complition of 2master? eighter i should be continue with this master or should be changed to STEM master course?

U can apply for Masters this year and even next year… If U r unable to find sponsors/apply H1 this year and next year, U can then go for second masters…