भारत में अलग अलग रंगो Milestones के क्यों होते है? Why Indian Highways have Coloured Milestones?

For Binomo Education, Click http://bit.ly/Interesting_top10_hindi and get Rs.65,000 for Binomo tutorial. Use TRUZ3 promo code for +100% on the first deposit. Thank me later! Risk Warning! Your capital might be at risk! Go subscribe to Binomo's Official Instagram Account -   / binomo   Brand managed by http://www.mediainfluencer.in #Ad When we go far away from home, either for some work or for a long Travel, then there are sing boards and milestones on the side of the roads, These Milestones becomes our right guide. Nowadays Google Map is used more, But still there are many such people who take the help of the Milestones. Now which village is going to come next or a big city is going to come and how far it is also gets to know. In which some milestones are of yellow color, some milestones are of orange color, some milestones are of black color and some are of blue color or white color. So in today's video we will know about the Milestone and road. how many colored Milestone are there in our India? how many Types of Road in our India? How big is road network in India? What is the number of India in terms of road network?