The entity responsible for power transmission in Telangana is:

TSGENCO
TSTRANSCO
TSSPDCL
TSNPDCL

The correct answer is: B) TSTRANSCO

TSTRANSCO is the state transmission company of Telangana. It is responsible for the transmission of electricity from generating stations to distribution companies in the state. It also operates and maintains the transmission network in Telangana.

TSGENCO is the state generation company of Telangana. It is responsible for the generation of electricity in the state. It owns and operates several power plants in Telangana.

TSSPDCL is the state distribution company of Telangana. It is responsible for the distribution of electricity to consumers in the state. It owns and operates the distribution network in Telangana.

TSNPDCL is the state power purchase company of Telangana. It is responsible for the purchase of electricity from generating companies and its sale to distribution companies in the state.