Explanation:

Tribal Festival, Research, information and Mass Education

• Under the Financial Assistance for support to Centres of Excellence of the scheme "Tribal Festival, Research, information and Mass Education", financial assistance is provided to repute Institution for carrying out research study programmes including documentation of tribal languages.
• In this regard, Ministry has sanctioned projects to Bhasha Research and Publication Centre during 2018-19 and 2019-20 which inter- alia covered activity of identification and documentation of threatened/dying languages.
• The organization has carried out documentation of Korku, Nihali, Kolami, Vadi, Halpati, Dungra Bhili, Dhavadi, Dhatti, Thali, Nahal and Seheriya languages.

Hence option 2nd is correct.