Hello Dr. Prathap,
This URL might be a good place to start with.
http://en.wikipedia.org/wiki/List_of_e-book_readers
I am currently based in Dubai. I have used Amazon Kindle (with content downloaded in US to the device), however the ISP (Internet Service provider) in Dubai is yet to support the down-loading of materials to eBook readers. I am not sure about this device being currently supported in India.
Following are the few eBook readers with cost.
Iliad ER 0100-iRex Technologies.
Formats supported-pdf,xhtml,txt,mp3(blogs,webcast),OEB
Linkup-USB,WIFI, Flash memory
Electronic paper display technology
Stereo jack with headset
Touchscreen A5 with stylus
Storage-30 (books+ Newspapers) (64 MB RAM and 128 MB Flash)
Weight-390 gms
Launch-available on fly
Cost-800 USD
Sony PRS 500 e book Reader
Formats supported-pdf, jpeg, mp3,BBeB,txt
Linkup-USB
Revolutionary e ink technology with 6 inch screen
Battery Backup-7500 pages on Li Ion Battery, 4hrs charge thru AC, 6 Hrs charge thru PC Notebook
Storage-80 books
Stereo Jack with head set
Weight-250 gms
e books-sold through Sony Online store
Launch –By December
Cost-320 USD
Hanlin V2-Jinke Electronics
Formats supported-pdf,excel,jpeg,ppoint,html,mp3,BBeB,txt
Linkup-USB
Display: e ink technology with 6 inch screen, 800*600 4 grey and slave keypad display with stylus
Battery Backup-8000 pages or 10 Hrs music
Storage-64 MB RAM and 1 GB MMC card
Weight-290 gms
Launch –available on fly
Cost-349 USD
Hope this information helps.
Regards,
Raghavendra Manbol
--- On Tue, 12/8/09, Dr.D.P Prathap