text: Lucknow , with its 18th- and 19th-century mosques , used to be a Muslim stronghold ; although the size of its community has now dwindled to only 30 percent of the country 's population , it is one of the two single most important Indian centers of Shiite doctrine , the other being Mumbai .
  
  ###
  
  Lucknow is the most important Indian center of Shiite doctrine .