Mubarak ho aapko,Ek hazaar mahino se behtar raat. Shab-E-Qadr
2020
It was narrated from 'Aishah (رضي الله عنها) that she said "O Messenger of Allah, what do you think I should say in my supplication, if I come upon Laylatul-Qadr?" He said: "Say: 'Allahumma innaka 'afuwwun tuhibbul-'afwa, fa'fu 'anni (O Allah, You are Forgiving and love forgiveness, so forgive me).'"
" اللَّهُمَّ إِنَّكَ عَفُوٌّ تُحِبُّ الْعَفْوَ فَاعْفُ عَنِّي "
Sunan Ibn Majah 3850