Name the mobile app launched by Minister for Earth Science, Science and Technology Dr. Harsh Vardhan to help farmers.

As a part of Digital India initiative & and bring technology to farmers, the minister for Earth Science, Science and Technology Dr. Harsh Vardhan has launched a new mobile application called "Meghdoot" in New Delhi, developed by experts from the India Meteorological Department (IMD) and Indian Institute of Tropical Meteorology(IITM) and the Indian Council of Agricultural Research(ICAR). The app will provide forecast relating to temperature, rainfall, humidity, and wind speed and direction, which play critical roles in agricultural operations. It also gives advisories to farmers on how to take care of the crops and livestock. Information given by the app is in the form of images, maps, and pictures. The app is available on Google Play Store & it also been integrated with WhatsApp and Facebook to help farmers share advisories with them. The app would be available for 150 districts in different parts of the country & It will be extended to other parts of the country in a phased manner.