If you are planning to visit in the eveningight time, you must see a 50 minutes sound and light show.
Here you can enjoy the brilliant view of amber fort in the front and jaigarh on the left and hills behind it and it gives local flavour of Rajasthan.
Entry Fee : Rs. 200.00 (English at 7.30pm)
Entry Fee : Rs. 100.00 ( Hindi at 8:00pm)
I have visited Amer in the morning and night as well. I really likes its night view. Here are few pics of night view.. do visit if you like the pics.