Avinash Shastri, said to be the yoga trainer of a "spiritual guru," suspected to be behind Bhardwaj's murder allegedly over a land dispute, was detained from Umanand Parmarthic Nyas Ashram near the aerodrome here last night, police said.

Shastri was taken into custody and interrogated by the Delhi crime branch police team at an undisclosed place, Aerodrome police station incharge Akilesh Dwivedi told PTI.