Doctors have been assigned on this number to answer people's queries.
About 135 people have been infected by the zika virus in Jaipur, health officers said on Tuesday.
Veenu Gupta, Additional Chief Secretary, Health, said a toll-free number has been started to create awareness about the infection. Doctors have been assigned on this number to answer people's queries, she said.
In a review meeting on Wednesday, 15,000 students pledged to work to ensure cleanliness in and around their schools and homes.