you need to write one simple email with requesting your MP to contact cic on your behalf. write about your situation.. something like
" my name is............and im a constituent in your area and my spouse is a Indian citizen. i am sponsoring my spouse and requesting your help regarding getting information of my spousal sponsorship application status. we sent our application to mississauga on.............and our application was transferred to New Delhi VO for his/her PR processing. we didnt hear anything from ND VO and getting worried because all applicants who applied during same time got approval already. i have attached my consent form with email to authorize you to contact CIC on my behalf.
yes you need to provide all details about sponsor and applicant as well.
sponsor's details-
name-
UCI-
date of birth-
applicant's details
name -
UCI-
file number-
date of birth-
link for consent form is
, you need to print this form and fill question no. 1-4 and 7 for sponsor and leave 5 and 6 blank.
for question 7, sponsor is supposed to sign that box because sponsor is applicant here
best of luck