case law reference required

Hello friends,

this  is narayanan.  I have a moot court problem. I have done it but i am required to give some case.  can any one help with case law for the following

1. Arrest wiht out warrant for non-cognizable offence - violation of  Art 21

2. Refusal to medical examination on arrest - Sec 54 CrPC

3. Refusal to give copy of  the order by magistrate

4. third degree treatment in jail - Art 21

5. Art 14  related

thanks

v narayanan

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