A computer implemented system to provide online and offline real-time-location based platform for interaction and to undertake service/business transactions comprising of: registering users on the platform through secured credentials; inviting and letting peers to use this platform for placing commercial needs or se...

• Electrical Air Cooler and water cooling system without electricity. • This invention is modified of Air cooler. • This invention we can use in winter and summer both season with cold or hot air temperature. • In this invention also a facility of cool and heat the drinkable water according to the season, without...