Sir, Break of Journey is not allowed in Rajdhani as per rules:
Here is the direct quote from indianrail.gov.in>rules>other rules>breakjourney

Break Journey Rules

Holders...
more...

of single journey tickets for distance of more than 500 kms. (Actual distance) are allowed to break journey once for two days at any station en-route. This facility can be availed only after traveling 500 Kms. from the starting station. If ticket is for more than 1000Kms, passenger will be allow to break journey twice. The day of departure and arrival must be excluded while calculating the number of eligible days for first break of journey and ticket should be endorsed by the station manager/ticket collector at the station where the break journey is intended .
NOTE :
1. This facility is not available to passengers traveling by Rajdhani/Shatbadi/Jan shatbadi express trains.
2. This facility is not permitted short of the station up to which reservation has been done.
3. Inentation to break journey is to be advised at the time of original booking and not after obtaining reservation.
@This applies to Jan Shatabdis also..
Good wishes.