The CSIR- National Physical Laboratory of India, situated in New Delhi, is the measurement standards laboratory of India. It maintains standards of SI units in India and calibrates the national standards of weights and measures. In the Harappan era, which is nearly 5000 years old, one finds excellent examples of town planning and architecture. The sizes of the bricks were the same all over the region. In the time of Chandragupta Maurya, some 2400 years ago, there was a well - defined system of weights and measures. The government of that time ensured that everybody used the same system. In the Indian medical system, Ayurveda, the units of mass and volume were well defined. More information...
According to PR-model, nplindia.org is ranked 1,093,345th in multilingual Wikipedia, in particular this website is ranked 622,465th in English Wikipedia.
The website is placed before mihanoi.vn and after 2-sight.com in the BestRef global ranking of the most important sources of Wikipedia.
