On the eve of 550 birthday celebration of Sri Guru Nanak Singh, Sana ullah Khan convenor of SC, ST, BC, Syed Mustafa Mahmood, Abdul sattar of mujahed Muslim league Telangana, Sikander ullah Khan and others can be seen presenting their greetings and wishes to Guru Charan Singh Bagga president of Gurduwara in Afzalgunj on Thursday.