One of our faculty members Mr. Pratap Singh (IFS), Scientist F, has
been doing this since a long time. You may like to ask him.
His id is
prata...@wii.gov.in.
He has also published CDs of bird calls using his electronic
equipments.
Singh P. & C.S. Rathore (2006). Piyu: A Repository of Bird Calls for
Madhya Pradesh. A CD published by Madhya Pradesh Biodiversity Board &
Indian Institute of Forest Management.
Singh P. (2000). Bird Songs of Great Himalayan National Park
Conservation Area. A CD made by Wildlife Institute of India.
Regards
Pankaj