HYDERABAD: Kasoju Shankaramma, mother of Telangana martyr Kasoju Srikantha Chary, joined the Congress party at Gandhi Bhavan in the presence of minister N. Uttam Kumar Reddy here on Thursday. Shankaramma gave the credit to Congress leader Sonia Gandhi for granting statehood to Telangana and acknowledging the sacrifice of her son Srikantha Chary. Uttam Kumar Reddy said the BJP's plan to …