On returning to Mecca for performing Tawaf of Hajj (after completing amals of Mina) recite the following dua at the door Masjid-ul-Haram :

اَللّهُمَّ أَعِنِّی عَلى نُسُکِکَ

Allahumma ainii alaa nusukii

O Allah! help me to worship You;

وَ سَلِّمْنِی لَهُ وَسَلِّمْهُ لِی

wasallimnii lahu wasallimhu lii

save me for it and save it for me.

أَسْأَلُکَ مَسْأَلَةَ الْعَلِیلِ الذَّلِیلِ الْمُعْتَرِفِ بِذَنْبِهِ

asaluka masalatal aliili-ddhalili muatarifi bidhanbihi

I ask You as a weak, lowly person confessing his sins,

أَنْ تَغْفِرَلِی ذُنُوبی وَ أَنْ تُرْجِعَنِی بِحاجَتِی

an taghfiralii dhunubii waan tarjianii bihaajatii.

forgive my sins and grant my wishes.

اَللّهُمَّ إنِّی عَبْدُکَ وَالْبَلَدُ بَلَدُکَ

Allahuma inii abduka walbaladu baladuka

O Allah! I am Your servant; the land is Yours

وَالْبَیْتُ بَیْتُکَ جِئْتُ أَطْلُبُ رَحْمَتَکَ

walbaitu baituka jiata atlubu rahmataka

and the House too. I have come asking for Your mercy

وَ أَؤُمُّ طاعَتَکَ مُتَّبِعاً لاَِمْرِکَ راضِیاً بِقَدَرَکَ

waaummu taataka muttabian liamrika raziyan biqadrika

and to be obedient to You. I submit to your ordinance and am pleased with what You have destined.

أَسْأَلُکَ مَسْأَلَةَ الْمُضْطَرِّ اِلَیْکَ

asaluka masalatal muztarri ilaika

I ask You as a distressed person,

اَلْمُطِیعِ لاَِمْرِکَ اَلْمُشْفِقِ مِنْ عَذابِکَ

almutiie liamrikal mushfiqi min adhabikal

obedient to Your orders, apprehensive of Your torments,

اَلْخائِفِ لِعُقُوبَتِکَ أَنْ تُبَلِّغَنِی عَفْوَکَ

khaaifi liuqubatika an tuballighanii afwaka

fearful of Your punishment, me to Your forgiveness

وَ تُجِیرَنِی مِنَ النّارِ بِرَحْمَتِک

watujiiranii minannari birahmatika.

and spare me Hell fire by Your mercy.