Step 1: Relevant provision.
Section 84 of the Rights of Persons with Disabilities Act, 2016 empowers the State Government to designate a Special Court for trial of offences under the Act.
Step 2: Designation of Special Court.
The Act clearly provides that the Court of Session shall be designated as the Special Court for this purpose.
Step 3: Conclusion.
Hence, the correct answer is (B) Court of Session.