DS 160 for canada

[coool_sweet]

hi

 

i am filling ds 160 for visa stamp in canada.

 

i have following question:

 

 

(1)  intended length of stay

 

My h1 expired  on 10/09/2015 , so how many months should i need to put.

 

(2) provide information on your last five us visits

 

data arrived : 

length of stay : 

 

 i came on f1 on 2008 , after that for 3 months ,i went to india for summer vacation. 

so how many  months/years do i need to put in length of stay. : 

 

(3) has anyone ever filed an immigrant on your

behalf with the united states citizenship and immigration

services?

 

if yes

 

please explain

 

My sister is US citizen and she applied green card for me  , i have receipt  but i dont see anything online.

also my employer  has  started processing of labor form , but has not applied yet.

 

in this case what should i write?

 

 

thanks