Appendix: I-R: Unlocking a Massive Multilingual Multi-speaker Speech Corpus for Scaling Indian TTS A Datasheets for Datasets

The following section is answers to questions listed in datasheets for datasets A.1 Motivation For what purpose was the dataset created? Who created the dataset (e.g., which team, research group) and on behalf of which entity (e.g., company, institution, organization)? Who funded the creation of the dataset? If there is an associated grant, please provide the name of the grantor and the grant name and number. The dataset creation was funded by Digital India Bhashini, the Ministry of Electronics and Information Technology of the Government of India, EkStep Foundation and Nilekani Philanthropies.