- Ordinary Passport (Dark Blue) is issued to ordinary citizens for ordinary travel, such as for vacation, study and business trips (36 or 60 pages). It is a "Type P" passport, where P stands for Personal.
- Official Passport (White cover) is issued to individuals representing the Indian government on official business. It is a "Type S" passport, S stands for Service.
- Diplomatic Passport (Maroon cover) is issued to Indian diplomats, top ranking government officials and diplomatic couriers. It is a "Type D" passport with D stands for Diplomatic. .. Courtesy Wikipedia
Major Terms and Regions Explained 1. Indian Shield The Indian Shield refers to the ancient, stable core of the Indian Plate made of hard crystalline rocks. It comprises Archean to Proterozoic rocks that have remained tectonically stable over billions of years. Important Geological Features and Regions ▪️ Ch – Chhattisgarh Basin A sedimentary basin part of the Bastar Craton . Contains rocks of Proterozoic age , mainly sedimentary. Important for understanding the evolution of central India. ▪️ CIS – Central Indian Shear Zone A major tectonic shear zone , separating the Bundelkhand and Bastar cratons . It records intense deformation and metamorphism . Acts as a suture zone , marking ancient tectonic collisions. ▪️ GR – Godavari Rift A rift valley formed due to stretching and thinning of the Earth's crust. Associated with sedimentary basins and hydrocarbon resources . ▪️ M – Madras Block An Archean crustal block in...

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