Kindly visit a child specialist for any developmental issues. However, if all parameters are fine then delay in walking isn't alarming. A lot of kids don't walk till 18 months. Keep in mind that from your description your child seems to have a musculoskeletal weakness. We would recommend an orthopedic who specializes in kids problems. Find one through our helpline.
For further help, we recommend checking with one of the
best orthopedic surgeons in Lahore and seek a piece of in-person advice at https://oladoc.com/pakistan/lahore/orthopedic-surgeon