Question : Write a letter to your principal for apology of cheating in the examination .
Note: This letter is not a complain about any festival, but it is against the people who do not follow the guidelines of permissible sound level in Decibel by CPCB Govt of India. The noise causes pain and annoyance to the people and society.
The standard limits given by CPCB in residential area is 55 db day time and 45 db in night time. For more details see the website of Central Pollution Control Board Of India.