Bihar's identity, Makhana, may soon get GST relief as Union Finance Minister Nirmala Sitharaman visits Katihar on Sept 10. Farmers and traders demand tax exemption, citing its superfood status and economic impact. Ex-minister Dr Ram Prakash Mahato questioned why Gujarat’s Khakhra is tax-free but not Bihar’s Makhana. All eyes are on the minister’s visit for a positive announcement.