medicals are valid till 12 months as per cic . in your old profile you got a rejection msg , where they have explained all about your medical and refund ,
now days it is mandatory to add spouse name in your passport before applying PCC from PSK . Or apply PCC with marrital status single . because they do not mention your address and marrital status in your PCC .
as early as credit remaining balance in your account . During Documents uploading process you will attach gift deed with balance certificate and 6 month bank statements .
You can't claim points of your spouse work experience, so show unemployed in work experience and show all jobs in personal history . In this way , they will not demand your spouse's work details .
There is option of OTHER name where you can mention your other nam e"Rakesh Khanna,K" . you have another option after ITA , you will explain in LOE your situation and upload affidavit along LOE .
if you have marriage certificate from India with your Indian address then there is no problem . you can mention this in Lettter of explanation during e-APR .
no issue , show your 3+ year experience and upload your previous company's offer letter , relieving letter + pressent compny's offer letter current salary slips .