You buy the franchise

Bisleri packaged Drinking water !!

what is the dissolved oxygen in a packaged drinking water bottle

Packaged drinking water is usually spring water that has been filtered in a plant and then bottled.

Water is processed through :-

1. Prefilteration - usually sand-carbon filter

2. Membrane Filteration - Reverse Osmosis Technique

3. Post Filteration :- Microfilters + Ultraviolet [ UV ] treatment

4. Some times Ozonation too

Then it is Bottled OR put in Jars or pouches, packaged, hence packaged drinking water.

ISI should be got for this, which is issued by the B.I.S. Important BIS links are here :-

http://mineralwaterprojectinformation.org/all-about-isi/

Packaged drinking water. People have begun to prefer tap water as it is more environment friendly