are not used here to avoid confusion with digits 0 or 1. ; it's issued sequentially and is unique to each registration. This scheme of numbering has some advantages: The state or district of registration of a particular vehicle is immediately identifiable. In the case of a police investigation of an accident or vehicle-related crime, witnesses usually remember the initial area code letters - it is then quite simple to narrow down suspect vehicles to a much smaller number by checking the database without having to know the full number. BH (Bharat) series On 26 August 2021, the Ministry of Road Transport issued a notification regarding a unified pan-India registration of private vehicles. This special registration process was introduced to ease inter-state mobility by eliminating the hassles of re-registering a vehicle when its owner relocates to a new state or Union Territory. BH-series registration follows a separate format and can be issued to public sector employees of central and state governments, and also to private sector employees of firms with offices in four or more states or union territories. The format for BH-series registration consists of four parts: The first part is a two-digit number which indicates the last two digits of the year in which the vehicle was registered. (example: '22' for a vehicle registered in 2022) The second part is 'BH', which is short for Bharat (Hindi: ) The third part is a number ranging between 1 and 9999, issued randomly and unique to each registration. The fourth part consists of one or two alphabets. 'O' and 'I' are not used here to avoid confusion with the digits 0 or 1. Vehicles of Foreign Missions The registration format for vehicles belonging to a foreign mission consists of three parts: The first part is a unique number allocated to the foreign mission by the Indian Ministry of External Affairs The second part consist of two characters, which can be, 'CD' which is short for corps diplomatique, indicating that vehicle is registered to an embassy 'CC' which is short for corps consulaire, indicating that vehicle is registered to a consulate 'UN' which is short for United Nations, indicating that vehicle is registered to one of the UN missions. The third part is a number ranging between 1 and 9999, issued sequentially to each mission and unique to each registration Vehicles belonging to foreign missions are granted the level of diplomatic