MUMBAI, Dec. 2 (Xinhua) -- India Tuesday said it was waiting for a response from Pakistan over the extradition of 20 most wanted criminals who are closely related to Mumbai Attack, reported Indo Asian News Service.

    The 20 most wanted, who are said to be in Pakistan now, were firmly behind New Delhi in the wake of the Mumbai attack, said the report.

    "We issued a demarche (Monday). We are waiting for a response from Pakistan," said India External Affairs Minister Pranab Mukherjee.

    Mukherjee was replying to a query about Pakistan's response to India's demand for handing over the 20 top criminals who are said to be behind major terror acts in India.

    New Delhi also demanded the extradition of known terror masterminds like Dawood Ibrahim, Maulana Masood Azhar, and Lashkar-e-Taiba chief Hafiz Mohammed Saeed, who are suspected to be behind many major terror strikes against India.

    The Indian external affairs ministry summoned Pakistan's High Commissioner Shahid Malik in New Delhi Monday.