What is the fine-grained topic of the following text: As part of an initiative to continuously monitor field data and study the performance ratios of plants throughout the world, REC has analysed recorded data from a well-maintained site at Pandit Deen Dayal University (PDPU), located in the sun-drenched north west corner of India. Only return the topic.
Monitoring and analyzing performance ratios of plants at Pandit Deen Dayal University by REC.