 Bikaner came under the suzerainty of the British Raj under a treaty of paramountcy signed in 1818 , where after the Maharajas of Bikaner invested heavily on refurbishing their Junagarh fort . However , during the 18th century , before this treaty was signed , there was internecine war between rulers of Bikaner and Jodhpur and also amongst other Thakur , which was put down by the British troops . It is reported that during the attack by Jodhpur army , of the two entrances to the fort ( one in the east and the other in the west ) , the eastern entrance and the southern rampart were damaged ; marks of cannonballs fired are seen on the southern façade of the fort . 
