Shirdi Sai Baba also known as Sai Baba was an Indian spiritual master who was regarded by his devotees as a sat guru, according to their individual likings and opinions. Sai Baba gave no distinction based on religion or caste and believed in charity, inner peace, love and forgiveness, helping others etc.
He always said that “Trust in me and your prayer shall be answered”. His saying “Sabka Malik Ek” is very famous. Offering your prayers to him and chanting/listening his mantras will help you receive inner peace.
Thursdays and Guru Purnima day is considered good to worship Sai Baba. He can help you gain wisdom and overcome ignorance.