The Archaeological Survey of India (ASI) on Saturday resumed its scientific survey work at the Gyanvapi mosque in Varanasi to determine whether the 17th-century mosque was constructed over a pre-existing structure of a Hindu temple, reported news agency PTI.

Government counsel Rajesh Mishra, who accompanied the ASI survey team during the day-long exercise a day before, on Saturday said the team started work in the morning and it would end at 5 pm, reported PTI.