You need to submit documents, the original affidavit (wherever required) and self-attested copies of other supporting documents was required in the instruction sheet of the concerned form at the counter window during the official working hours. You can also send the same by post to the concerned SDM office but you must write application number at the top of the envelope before sending it to the SDM office. For documents which can be verified from online database, no supporting documents need to be submitted at the counter.