Polling will be held on Thursday for the keenly-contested election to three constituencies of Telangana Legislative Council.

The three seats are Medak-Nizamabad-Adilabad-Karimnagar Graduates’ and Teachers’ constituencies and Warangal-Khammam-Nalgonda Teachers’ constituency.

The balloting, to be held in preferential mode of voting, would take place from 8 AM to 4 PM. While 56 candidates are in fray for the lone Graduates’ constituency, 15 and and 19 candidates are contesting the Medak-Nizamabad-Adilabad-Karimnagar and Warangal-Khammam-Nalgonda Teachers’ constituencies respectively, official sources said on Wednesday.