Court marriage procedure in Pakistan is very simple as you just need to fulfill the following legal requirements:
Age: Legal age of both male and female partners should be 18 years.
Free Will: Consent of male or female in Nikah should be free consent without any pressure, coercion or threat.
If you fulfill the above requirements of court marriage then you are eligible to perform marriage. You are required to appoint an Advocate who will prepare your legal documents for you which will save you against all the legal consequences and NIKAH will be performed by a Registered NikahKhawan / Qazi.