| R G Kar Hospital (S) | ||
| Months | Day | Night |
| Standard Limit in Leq dB(A) | 50 | 40 |
| January | 44 | 43 |
| Febraury | 43 | 43 |
| March | 44 | 43 |
| April | 44 | 44 |
| May | 44 | 43 |
| June | 44 | 44 |
| July | 44 | 44 |
| August | 44 | 43 |
| September | 50 | 48 |
| October | 60 | 56 |
| November | 60 | 55 |
| December | 60 | 54 |
| All Values are measured in Leq dB(A) | ||
| I= Industrial, C= Commercial, R= Residential, S= Silence | ||