Dear Sunitha,
I gave you an answer in the other post, but found now where exactly you can see duration of employment. It is on Annex A, at the bottom.
Check this pic http://www.lingwong.ca/images/pdf/LMIA_PDF_%E9%A1%B5%E9%9D%A2_2.jpg
Ask your employer to check that section, and you will know...