Hi Rohini
 No,you can wear black Palazzo for your NEET exams as it is kind of loose trouser. According to set dress code  by NTA you are  advised to wear light clothes only which  shouldn't be too fashionable, having multiple zips , broaches,embroidery or any metallic studs on it . Whatever you're going to wear should be half sleeves as full sleeves are not allowed.
For more details you can click on the link given below
https://www.google.com/amp/s/medicine.careers360.com/articles/neet-dress-code/amp
Hope this helps
Good luck for your exams

Hello Rohini there are some regulations that need to be followed- 

all the women candidates need to wear salwar and trousers... 

women candidates need to wear simple and light colour clothes. 

Please follow the rules and regulations..

https://www.google.co.in/amp/s/medicine.careers360.com/articles/neet-dress-code/amp

All the best

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