Here is how you can make air fresheners at home.
What you need:
1 Mason Jar (medium sized) available on amazon.in http://www.amazon.in/s/ref=nb_sb_ss_c_0_5?url=search-alias%3Daps&field-keywords=mason+jars&sprefix=mason+jars%2Caps%2C272
1/2 cup baking soda
8-12 drops of essential oil (your choice of fragrance)
Colourful scrapbook paper
Embroidery needle
How to make it:
Circle out the cover of the mason jar on to the scrap paper and cut off. Make holes in the paper with the embroidery needle.
Fill jar with baking soda and add essential oil. Place paper over the mouth of the jar and close the jar tightly.
Your air freshener is ready!