Vijayawada: Bharatiya Janata Party leaders have demanded the state government to solve the sand problem in the state. The BJP state unit is observing Isuka Satyagraha (Sand Satyagraha) at the Dharna Chowk on Monday extending solidarity to the construction workers in the state. BjP state president Kanna Lakshminarayana, former union minister Daggubati Purandeswari, former minister Manikyala Rao, senior leader Y Raghunadha Babu and other leaders are participating in the Satyagraha.