Patel praised the initiatives by the Kolkata Municipal Corporation (KMC) in solid waste management and initiatives to attain the objectives of a green city.
She said it was delightful to come back to this beautiful city where she had been in 2013.
The British Deputy High Commissioner to India attended the function which commemorated the KMC-London collaboration in reducing carbon level.
MIC Debashis Kumar, Mala Roy was present among the KMC officials.
Kumar said as part of the roadmap, solar energy operated lights will be installed in several KMC parks.