H1B visa is getting expired by Oct - 2014. want to know extension process.


my- H1B- visa- is- getting- expired- by- Oct - 2014-And- I- am- going- US- in- April -through- the- company- in- India- and- i am- going- to- stay- there- for- only- 6- months- I -am- planning- to- switch- the- company- in- US- So- I- would- like- to -know- about- the- H1B- visa- extension- process- In- my- case- how- many- months- before- should- i- search- for- a- job- and- apply- for- H1B- visa- extension?