Sonakshi Sinha-starrer "Noor" is special for the twin sisters Prakriti and Sukriti Kakar as for the first time they have sung two different songs for the same film.Composed by Amaal Malik, "Hai zaroori" has been sung by Prakriti and "Jise kehte pyaar hai" by Sukriti.Sukriti said in a statement: "The track in 'Noor' is a really peppy song. I'm like that in real life too. I could connect with the song instantly and it was great fun singing it."Prakriti echoes her sister's sentiments."'Hai zaroori' is very special to me as it's the first time that Sukriti and I have sung two different songs for the same film. Hopefully, it's the first of many more to come. Amaal has composed the songs beautifully and I am glad both our songs are doing extremely well," she said.The two had earlier sung "Goti song" from the 2013 film "Nasha" together.