At National Translation Mission, Central Institute of Indian Languages, Mysore.
In the project entitled ‘Mother Tongue Survey of India’ in Central Institute of Indian Languages, Mysore.
In the project entitled ‘Mother Tongue Survey of India’ in Language Division, Kolkata.
In the project entitled ‘Bangla Pronunciation Dictionary’ in the department of Linguistic Research Unit, Indian Statistical Institute, Kolkata.
In the project entitled ‘Indian Languages Corpora Initiative -2’ in the department of Linguistic Research Unit, Indian Statistical Institute, Kolkata.