Death is unnatural when caused permaturely against the order of nature by injury, position or other means of violence. Data on unnatural deaths may reflect the law and order situation in a particular area of jurisdiction. This study is concerned with pattern of unnatural deaths in Dhaka Medical College mortuary during 1996. We found 1725 (97%) cases of unnatural deaths by analyzing 1772 cases of deaths. Data gives 18.37% increment in unnatural deaths 77.28% was males and 22.71% females. The frequency pattern of unnatural deaths were 68.92% RTAs, 11.69% homicide, 08.00% suicide and 2.80 natural. Burn, electrocution and others comprise the rest 11.565 unnatural deaths. Males suffer 3.4X more unnatural deaths than females. But RTAs males were 5.31X, in homicide 11.40X, in suicide 1.70X respectively than females. In hanging, female were predominant (1.72X of male deaths). 21-40 years is the age group showing peak frequencies on different types of unnatural deaths though hanging showed peak on 11-20 years. Besides, 95.47% of the unnatural deaths were the Muslims, 4.25% were Hindu and .14% was Christians. Firearms were used in 29.40% cases, blunt weapon in 38.46% cases and sharp cutting weapon in 31.60% cases of homicides respectively.

Achievements in all spheres of humans endeavour to create a better world and the progress they made over generations all can be wiped out in a twinkle of an eye. All can take in a violent disaster natural or unnatural. Bangladesh, one of the least developed country of the world, burdened with large population had been affecting by some form of natural disaster like flood, cyclone, tidal surges etc every year. These disasters were due to its geographical location and geophysical climate. On the other hand, unnatural disaster like plane crushes, fires, shipwrecks, railway and other transport accidents, bomb blast etc. are some times avoidable under some precautionary measures.The process of identification of the victim of disaster is one of the challenging problem for a forensic pathologist.Forensic investigator can contribute their role expertise and recommendations in collaboration with other agencies. Introduction :Washed by the world major rivers-Brahmaputra, Meghna and Padma and their 230 tributaries-Bangladesh endures inundation's almost as an annual event. The geographical location and geophysical climate of Bangladesh trend to encourage natural disasters like, flood cyclone etc.

India lacks guideline for fire safety at construction sites. But site contains all normal elements of an existing building that can pose fire hazard plus many extra risk factors such as flammable chemicals, spark-generating tools, inadequate provision of fire protection system etc. Hence, risk associated with fire at sites for new construction alteration or demolition is higher. Human response performance is also poorer for site fire adding to the seriousness of the problem. While in India, infrastructure is booming and at the same time many devastating fires have taken place in recent years, it is hightime to formulate guidelines to control site fire. Considering the limitation of using a conventional fire protection system at site, this paper reviews fire norms prevalent in other countries and highlights the major concerns. In this context, extended role of various key players of construction industry such as designers, contractors, clients etc is also discussed.

In case of hanging the process of respiration i.e. the exchange of air between the atmosphere and the alveoli of lungs is prevented by ligature in neck, leading to asphyxia and death.Hanging may be complete/incomplete (partial) where the constricting forces are the body weight or even only the weight of the head.In complete hanging whole body is suspended, no part of the body touches the ground. Complete hanging is suicidal in nature unless otherwise proved.In partial hanging any part of the body touches the ground. Partial hanging is suicidal (100%) in nature & there is no 2nd thought.Generally Medical and non-medical personals think that complete hanging may be suicidal, but partial hanging is definitely homicidal in nature which is not the actual fact.Hanging with signs of torture in various parts of body goes in favour of (provoked) suicidal nature.