Change of Name on Passport.

[Qasimmd]

Dear All,
My older/ cancelled passport name is different from new/valid passport now in the application CIC had written include the pages where there is change in name/ date of birth. My all the educational documents is as per the new passport name.
My question in Identity and civil documents portion it is written that provide legal document showing change in name / date of birth, what legal document I have to provide.

Kindly help me fellows.

 

[Qasimmd]

Any one please reply..