Explanation:

Central Leather Research Institute or CLRI is the world's largest leather research institute in terms of research papers and patents.The institute located in Chennai, Tamil Nadu was founded on 24 April 1948 as a constituent laboratory under the Council of Scientific and Industrial Research.
The Council of Scientific and Industrial Research  abbreviated as CSIR was established by the Government of India in September of 1942 as an autonomous body that has emerged as the largest research and development organisation in India.