Facilitating the contact directory of Senior Officials in the Government of Kerala, Sarkar Diary Mobile App provides information right from the Office of the Hon’ble Governor of Kerala, Office of the Hon’ble Chief Minister, Council of Ministers and various departments & offices across the State, along with details of important contact persons. An extension of the existing Diary Data Capture Application, the App has been developed by the Competence Centre for Mobile Application Development, NIC Kerala, as per the requirements proposed by the General Administration Department, Government of Kerala. It was launched by Shri Pinarayi Vijayan, Hon'ble Chief Minister of Kerala. Every year, around 700 users update the respective office contact details through their login in the above application. The summarized data is used for printing the contact section of the Government of Kerala Diary every year. Necessary APIs required for the Mobile App were developed and integrated in the Diary Application to provide correct information to users. The App provides an easy to use interface to browse the above contacts through search option and explore them category wise.