He is two years old baby n he is in very ziddi nature...? How I can care

Being ziddi is what is a normal part of every child's growing age. You are the one who is required to keep calm in this situation. Because you cannot expect a kid to be all matured and understand things and behave nicely. After all that's why they are called kids and you adults.
Keep your cool. Make him understand his mistakes slowly and ziddi does not mean you have to agree to him every time. Make him understand that this is no way of getting things and this is completely wrong. Tackle him with all the love. You being angry at him won't help in anyway. And never give up. Negotiating things will only encourage him to be more 'ziddi'. Ask about his problems talk to him and most of all have patience. And let him know that you love him but at the same time he cannot take advantage of it every now and then.

This is vey normal behaviour at this age. Now he has more sense of the world around him. So he will ask for things and refuse things. Here are some things you can do 1. listen to your child, don't argue with him. 2. Like everybody kids also want attention, so if you keep correcting him for every mistakes he makes, he will see this as a way to get attention. 3. Often parents say no too many times, you need to understand that he is a kid and would like to explore things around him. so avoid saying no when you can. 4. Don't say negative things like you are a bad boy,etc. Say positive things. Praise his good behaviour. 5. kids copy their parents , so set a good example.