Giving sadaqah to poor people

Q: I have put a box in my cupboard in which I put the sadaqa amount and when a considerable amount gets together, I give them in charity. I have told my friends about it and they also sometimes contribute in it. The method I adopt regarding charity is that I visit a near by area where mostly poor people live. Then I search for those who are apparently religious as well as needy. The standard of needy that I look at is that one who is apparently really suffering to make both ends meet though he has a fruit stall or an animal like donkey for picking loads for people and carrying them elsewhere. I know that there must be much more needy ones but with this methodology, is my sadqa discharged properly because I think that giving to charity organization may be better but doing so one does not get the real feeling of the poor which one gets by searching them. So I prefer this method.

Wearing bangles

Q: In our Indian culture bangles are a symbol of married women (with alive husband). Is it permissible also in Muslim culture or not? Is it necessary to wear bangles for Muslim woman who are married?

Doubts with regards to wet dreams

Q: I do suffer from wawasas but Alhamdulilah I am ignoring them to the utmost level. However, some times after Fajr salah I sleep and later on waking I doubt if I had a wet dream or not. Sometimes I remember and do ghusl sometimes I don't remember the dream and see no discharge still I doubt throughout the day. What should I do?

Husband issuing talaaq without the knowledge of the wife

Q:

1. I would like to know is it permissible or accepted for a husband to divorce his wife without the knowledge of his wife?

2. Is the marriage of a couple valid even without witnesses just by signing a paper together without witness, wali and mahr?

3. The husband insists that it is between the couple and Allah and Allah is their witness, is this acceptable in any means?

Doubts with regards to one's Hajj being valid

Q: I am an extremely doubtful person. I always have doubts about purification. I always feels I had missed something in wudhu and ghusl. I had performed hajj 3 years ago alhamdulilah. I had performed all thing step by step there was no doubt at that time. After that sometimes a doubt came in my mind whether I had done wudhu and ghusl properly and completely or I had missed something at time of Tawaf-E-Ziyarat. I am also not sure about this. I try to remember but I can't. So should I give dam for this doubt? And my wife would be halaal for me? Please kindly advice me. I am very frustrated with this.