Formal:
* मला ते खूप आवडले. (Mala te khup aavdle.) - This is the most formal and polite way to say it. It literally translates to "I liked it very much."
* हे खूप छान आहे. (He khup chhan ahe.) - This translates to "This is very nice."
Informal:
* मला ते आवडले. (Mala te aavdle.) - This is a more casual way of saying "I liked it."
* हे छान आहे. (He chhan ahe.) - This is a casual way of saying "This is nice."
* सुंदर आहे. (Sundar ahe.) - This means "Beautiful" or "nice" and is more informal.
For expressing strong liking:
* मला ते खूपच आवडले. (Mala te khupch aavdle.) - This adds emphasis and means "I liked it very much."
* मला ते फार आवडले. (Mala te far aavdle.) - This also adds emphasis and means "I liked it a lot."
You can choose the appropriate phrase depending on the situation and your relationship with the person you are talking to.