LUCKNOW, Jan. 20 -- Investigators probing the alleged sexual exploitation and religious conversion case involving KGMU resident doctor Dr Rameezuddin Nayak aka Rameez Malik, 31, are now focusing on uncovering his modus operandi and possible links to a wider network operating across Uttar Pradesh, senior officials said on Tuesday.

Dr Malik, who was remanded to 48-hour police custody by Lucknow's Chowk police, was questioned for several hours on Tuesday after being brought from Gosaiganj district jail at 1 pm on Monday. Investigators are now trying to piece together how he allegedly identified, approached and influenced women doctors, particularly those who were professionally vulnerable or new to the city.

According to police, a key line...