Steps:-
☛ Take a piece of tea bag, first apply some glue on broken nail and then apply the tea bag piece.
☛ Place tea bag for some time and wait for it to dry completely.
☛ After that apply a nail polish any color you want.Remember you apply at least two coats of nail polish so that the broken part can't be seen.
☛ Seal with applying top coat for last longer and smoothness.