False allegations on wife

If a man who has sought court for a divorce with all false allegations on his wife and if the wife is not willing to agree for the divorce, 1. How long will it take for him to give the monthly (interim maintenance) to her and their kid? It's been 9 months the case has been filed by the husband. Lol adalat is over and the next is mediation. 2. Husband works for a foreign company with a great income and wife has no proof about his salary as she is now separated. How can the wife claim her interim maintenance for her and the child? He has pulled one of her ex-colleagues into the picture and to get a divorce, he falsely portrays that his wife had a secret affair with him. He also has mentioned falsely that their child is no more his and it is of his wife's and her ex-colleague's. 1. For a DNA test, will the husband and the child be tested or the ex-colleague and the child be tested? 2.Now what will be the consequences faced by the husband when the court comes to know that he has falsely pictured her wife as an immoral woman? 3. Is there any penalty or imprisonment that the husband has to face for falsely dragging her ex-colleague into the situation and ruining his reputation? 4. What is the consequence that the husband has to face if a DNA test was done and proved that the child is theirs and the husband has given a false allegation on his wife?