New Delhi,17 Apr (Lok Sabha):The Minister for Tourism and Culture Smt. Ambika Soni has said that while no formal scheme to provide special security arrangement for important cultural and religious places in the country has been formulated, Archaeological Survey of India has deployed a mix of regular watch & ward staff of the ASI, private security guards and State Police personnel for security of 3667 centrally protected monuments. In addition, CISF personnel has been deployed at selected monuments. In a written reply in the Lok Sabha today she said, it is the constant endeavor of the ASI to maintain these monuments in good shape through structural conservation, chemical preservation and environmental development which are taken up as per requirements on site subject to availability of funds. Fencing of the protected areas has also been stepped up to prevent encroachments.