How to make Solar Bottle Light (Bengali)

Do you want to make your own solar bottle light? Just download the PDF guideline and follow the instructions! 

Industrial Skylight Leaflet

You can get quick insights about the potentiality of natural light improvement initiatives in industries 

Logo of CHANGE

You can download the logo and use it if authorised. 


Download the MASK OUTLINE PDF, print and make your own mask! Follow the instruction in our youtube channel!