E-way bill rules are notified and made applicable in Rajasthan from 20 December, 2017.
To generate E-way bill you have to visit eway bill website and register with your GST number.
After registration you can issue E-way bill. The procedure to register and issue E-way bill is similar to registration for eway bill in Karnataka.
Website to generate eway bill in rajasthan.
Website to generate eway bill is ewaybill.nic.in
Eway bill is compulsory for every sale transaction?
For every invoice value more than 50,000 eway bill has to be issued and for interstate transactions there is no limit (need to confirm but in Karnataka Eway bill required for interstate transactions).
Below is the notification number 2946 date 19/12/2017.