Hyderabad: Amid the prediction of the Covid-19 fourth wave, the Telangana government is on a plan to impose the mask rule once again in the state. The health experts warned that there is a chance of a fourth wave in the state and requested everyone to take preventive measures to contain the virus. Doctors are requesting people to wear a face mask, social distance and hand sanitisation. Sources said that 11 Covid-19 positive cases in the state. The state health department alerted the officials and ordered them to take all measures. It is known that Covid-19 positive cases increasing in New Delhi.