@Sulatha mam yes you can request VK for her marriage.
Please request VK in simple your words as simple request from our thoughts are always easily connected to our mind.
You can also send ALL CLEAR SERUM to the situation or any blockage to make way for her to get married soon.
Also click on this link below for detailed guidance for marriage query
https://forum.litairian.com/discussion/8/marriage-delays
You can also read this beautiful testimonial how VK manifest marriage in two months time.
Please click on the link