DLF, a real estate and construction company based in New Delhi, has developed cellular lightweight concrete, an eco-friendly product that offers a more cost-effective alternative to bricks. K P
A study carried out by H C Agarwal, P K Mittal, K B Menon and M K K Pillai of the department of zoology, University of Delhi, published in August 1985, traced DDT residues in water, bottom sediments
Surjit S Mann, director of the Delhi-based Kala-Tex India Ltd has invented an environment-friendly textile dye by a process based on electrolyte technology. This electrolytic composition dye labelled