Dose of rifampicin in RNTCP is-

Under RNTCP Doses of first line antitubercular drugs are :- INH-600mg; rifampicin-450mg; pyrazinamide- 1500mg; ethambutol-1200mg; and streptomycin-750mg. All drugs are given three times in a week, e.g. 450 mg rifampicin is given three times in a week.