Rajasthan Land Revenue Act, 1956–Sec. 75–Order as regard to cancellation of khatedari was passed in year 1970–Petitioners did not choose to avail the legal remedy for a long time–When the other effected encumbents succeeded through Civil Court and Revenue Court, petitioners approached through the instant petition–Further, they have invoked the Section 83 by prefering the revision petition before the Revenue Minister–Held, it would not be appropriate to exercise the writ jurisdiction.