JK Paper Q4 results: Net profit down 17.9%…

New Delhi: JK Paper Ltd on Tuesday reported a 17.91 per cent decline in consolidated net profit at Rs 92.72 crore for the fourth quarter ended March 2020 due to COVID-19 and subsequent disruptions. The…

Using light to fingerprint paper

A PIECE of paper is a complicated product. Trees are felled, stripped of their bark, chipped, mashed, and then mixed with water and churned into pulp. That pulp is washed and refined, before being beaten…