Various descriptions of vimanas in Ramayana and technology behind it Pushpaka Vimanas and other prototypes of vimanas Astras used in Ramayana Scientific approach towards ancient literature and God/GoddessStudy of vimana shastra reveals that Ancient aerospace vehicles are very much advanced compared to that of modern When many foreign countries are doing these research projects with Indians, why not India can take up these research projects?Lets start Space science and technology need to be advanced with peace and wisdom like in Vimana shastra There are Eco friendly fuels, herbal propellants in vedic texts need to be focused Stronger and lighter materials are needed to be recreated from vimana shastraFor advancement of modern space science and technology, Vedic texts need to be referred and researched at least nowSpace science and technology need to be advanced but with peace and wisdomEco friendly fuels, herbal propellants in vedic texts need to be focusedStronger material needed to avoid increase of space debrisAncient advanced space vehicles can still be worked on in modern civilization by finding or replacing non existing thingsFor advancement of modern space science and technology, Vedic texts need to be referred. Ancient ancestors were intelligent enough and did good research too, and we should not miss small details which can solve big problems easily, for example great aerodynamics in an aircraft helps in reducing fuel consumption VimanaPropulsion systems are much advanced than modern technology and we maynot be able to recreate it now immediately but at the same time we need not miss other topics like aerodynamics Rediscovering and Reinventing from vimana shastra is great to do in research but we need to focus on how to develop modern technology by taking vimana shastra as inspirationAll the ideas mentioned taken from vimana shastra to develop prototype, this will help in the advancement of modern technology