With such a large calculi impacted at right uvj
It is less likely to pass it's own
Even if it passes might get impacted in urethra
Conservative treatment can be tried
T.levoflox 500 mg daily X 7 days
T.drotin for pain
T.Geristart or C.urimax 0.4 mg daily night
Syp Kcit 2 TSP TDS with glass of water X 7 days
Next Steps
however if develops persistent pain,fever nausea and vomitting
retention of Urine
consult with Urologist nearby in emergency