Bringing an "extremely productive" week-long visit to an end, Prime Minister Narendra Modi on Friday emplaned for New Delhi here, after delivering a speech at the 74th session of the UN General Assembly and holding a string of bilaterals earlier in the day."This USA visit was an extremely productive one. Over the last few days, I have been able to take part in a diverse range of programmes, the outcomes of which will greatly benefit India and our development trajectory," the first in a series of tweets made by the PM read."At the @UN, I shared my thoughts on how India's development strides have transformed the landscape of our nation and how India will keep working towards making our planet more peaceful, prosperous and harmonious. I also had excellent bilateral meetings with fellow world leaders," the Prime Minister added."From the @UN forum, I shared views on India's progress in healthcare, mitigating climate change and the need for all those who believe in humanity to come together