SURVEYING CLASS 35.REFRACTION AND CURVATURE CORRECTION IN HINDI

Hy guys ,,, Iss vedio me refraction and curvature correction ko cover kiya gaya hai .. .........Yee topic bahut imp.hotta hai,yaha se mostly question exam me aate hai ..So iss vedio ko complete dekhe or jayada se jayada share kare ,like kare and comment karana na bhule ... #success point# #success point# #success point# Refraction and Curvature correction lecture by Dinesh sir