Both mother and son accompanied in November 1849 Maharaja Duleep Singh to Fatehgarh to which place he (the Maharaja) had been exiled after being deprived of the throne of Lahore. Rani Dakno and Sahdev Singh died at Rai Bareilly as prisoners of the British.
References :
1. Login, Lady, Sir John Login and Duleep Singh [Reprint]. Patiala, 1970
2. Ganda Singh, ed.. History of the Freedom Movement in the Punjab (Maharaja Duleep Singh Correspondence). Patiala, 1977