Taking a second wife

Q: I am a married man. I was in love with a Hindu girl even before my wedding. Now I feel that I need to seperate from my wife and marry the Hindu girl. My wife is ready for a second marriage but the Hindu girl does not want to accept it. She will be a Muslim after the wedding. I dont have much feeling left for my wife and my life is really a problem without the other girl. What should I do? 

Women attending waleemah functions

Q: I have been recently hearing that it is against the sunnah for ladies to attend wedding functions, especially waleemahs. There are certain ideologies that believe women attending wedding functions is haraam altogether, and is not a sunnah: even if the functions are completely segragated and simple!

Kindly advise because I recently attended the weddings of 2 very religious relatives and everything was according to sunnah and within their means. Commenting on another religious Muslims efforts, calling them haraam, propagating women cannot attend waleemahs or wedding functions, isn't this an innovation? 

Does divorce take place by the husband joking that he did not accept at the time of nikaah?

Q:

1. At the time of nikaah the husband said qubool and the witnesses heard it. Few years later, the wife asked her husband if he said qubool in the nikaah? The husband said "no". He said “no” jokingly and had no intention of divorce. Is there any problem?

2. If a divorce thought comes in the mind when touching a kinaya word of divorce, is there any problem? The husband did not utter the word, he just touched the word with his finger. 

Divorce letter not reaching the wife

Q: I wrote a divorce letter to my wife and signed it in the presence of a qazi and two persons. The qazi was about to send the letter within the next 3 days. I did it because she was caught red handed talking closely to a stranger over the phone. She was pregnant at that moment.

After two days, I thought I will give her one more chance to correct herself and stopped the letter and the letter was destroyed. I also informed the two persons that were present when I signed the letter and I started living with her. She gave birth to a baby girl one month ago.

I thought it was necessary to deliver the letter to her for the divorce to be effective. She still does not know about the letter.

Recently I asked an Imaam about it and he said that the divorce has occured even though my wife was not present and the evidence was destroyed.

My question is, is my marriage still valid?