Yes, you can file RTI to The Bangalore Metro Rail Corporation Ltd (BMRCL). BMRCL a purely state funded project by the Government of Karnataka, built and operates the Namma Metro. Namma Metro was the second rail transport system in India to use 750 V DC third rail traction, the first being the Kolkata Metro.
Since it is a purely state funded project by the Government of Karnataka,.Therefore, it comes under the ambit of section 2(h) of the RTI Act'2005 which has the definition of Public Authority. Hence, we can file RTI toBangalore Metro Rail Corporation Ltd (BMRCL)
For further assistance and to have a better understanding on filing RTI, you may visit the below mentioned link: