In a concerted effort to safeguard Vaishnav heritage, Assam Chief Minister Himanta Biswa Sarma on Friday inaugurated an infrastructural development project valued at Rs 11.14 crore at Shri Shri Shankardev Than, Patbaushi Satra, and Shri Shri Dev Damodar Gurus Adi Dham in the greater Barpeta region.