In order to know the likings and dislikings of the listeners of the listeners of the programmes broadcast by the Himachal Akashvani, the letter is keen to collect data. Which method of collecting data will be suitable for it ?

In order to know the likings and dislikings of the listeners of the li

1.	In order to know the likings and dislikings of the listeners of the listeners of the programmes broadcast by the Himachal Akashvani, the letter is keen to collect data. Which method of collecting data will be suitable for it ?
Answer» Direct PERSONAL investigation INDIRECT Oral Investigation MAILING Method ENUMERATOR's Method Solution :D