Complex sentence: The Delhi Old Xaverian's Association (DOXA), formerly Xaviers Old Boys Association Delhi, is the official alumni association with over 7,000 members, spanning across all batches that have passed out of the school since 1966.
Split into simpler sentences: The Delhi Old Xaverian's Association (DOXA) formerly Xaviers Old Boys Association Delhi, is the official alumni association of the school. The association has over 7,000 members, spanning across all batches that have passed out of the school since 1966.