Tolong jelaskan mengenai Bahasa Isyarat India (ins), dari Bahasa Isyarat India-Pakistan

Bahasa Isyarat Benggala Barat (Bahasa Isyarat Kolkata) (wbs), dan

Deshmukh, D (1997), "Sign Language and Bilingualism in Deaf Education".

Sulman, Nasir & Zuberi, Sadaf (2002) "Pakistan Sign Language – A synopsis".

Sinha, Samar (2005), A Skeletal Grammar of Indian Sign Language, MPhil dissertation. JNU, New Delhi.

Sinha, Samar (2008), A Grammar of Indian Sign Language, PhD thesis, JNU, New Delhi

Higher Secondary School & Multi Purpose Training Institute for Deaf (Indore, Madhya Pradesh) – a residential school run by a deaf couple and using Indo-Pakistani Sign Language in the classroom.

Pakistan Sign Language – A Synopsis

The people behind India's first sign language dictionary—BBC