"21. In bail applications, generally, it has been laid down from the earliest times that the object of bail is to secure the appearance of the accused person at his trial by reasonable amount of bail. The object of bail is neither punitive nor preventative. Deprivation of liberty must be considered a punishment, unless it can be required to ensure that an accused person will stand his trial when called upon. The Courts owe more than verbal respect to the principle that punishment begins after conviction, and that every man is deemed to be innocent until duly tried and duly found guilty. Detention in custody pending completion of trial could be a cause of great hardship. From time to time, necessity demands that some unconvicted persons should be held in custody pending trial to secure their attendance at the trial but in such cases, "necessity" is the operative test . In India, it would be quite contrary to the concept of personal liberty enshrined in the Constitution that any person should be punished in respect of any matter, upon which, he has not been convicted or that in any circumstances, he should be deprived of his liberty upon only the belief that he will tamper with the witnesses if left at liberty, save in the most extraordinary circumstances. Apart from the question of prevention being the object of refusal of bail, one must not lose sight of the fact that any imprisonment before
