Salimuzzaman Siddiqui, was a Pakistani organic chemist specialising in natural products, and a professor of chemistry at the University of Karachi.
Salimuzzaman Siddiqui
An average Neem tree is 15 meters high with the crown's diameter up to 15–20-meter
Pakistan Academy of Sciences
The Pakistan Academy of Sciences, is a learned society of sciences, which described itself as "a repository of the highest scientific talent available in the country."
Pakistan Academy of Sciences