Save this article to read it later. Find this story in your account’s ‘Saved for Later’ section. In an age of texts, Slacks, and WhatsApps, a handwritten note on nice paper has a special permanence.

We have seen paper crafted from elephant dung, plantable diaries embedded with seeds, and bamboo pens. Adding to the list of eco-friendly stationery products are Rupankar Bhattacharjee and Aniket Dhar ...