KEY POINTS:
Police in Mumbai are said to be taking extraordinary measures to ensure the sole surviving suspect in the terror attacks that left 171 people dead does not take his own life.
Reports suggest that Ajmal Amir Kasab is being held in rooms stripped of all furniture or fittings which he could conceivably use to harm himself.
If there is a fan, it is attached to a ceiling that is at least 3.6m high.
He is kept in his underwear alone through fear he may swallow his clothing in order to choke himself. All his food is tasted in advance by the police guarding him.
Kasab has emerged as the Indian authorities' best, if not only, source of information about the planning behind the strikes and those involved.
This week, detectives plan to use sodium pentothal, a so-called "truth serum", to try to obtain more information. Experts warn, however, that the use of such drugs often produces unreliable results.
The Mumbai Mirror said the 21-year-old from Pakistan's Punjab province was being routinely moved in order to prevent any effort by other militants to reach him.
An officer from Mumbai police's crime branch tastes all of Kasab's food to ensure it is not poisoned.
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