Explanation:

Rubber Board has started field trial of world’s first GM (genetically modified) rubber in the state of Assam.

=> GM Rubber was developed in biotechnology laboratory at Rubber Research Institute of India (RRII) in Puthuppally, Kottayam.

=> It was planted at Rubber board’s Sarutari research farm in Guwahati.

=> Rubber Board launched field trial of GM Rubber in Assam a decade after Kerala Government denied permission for the same because of its adverse impact on environment.