Former Army Chief V K Singh on Friday backed a demand of a farmers' body on rejection of the Rangarajan Committee report on freeing the sugar sector and threatened to gherao Parliament next month if it is not met. Addressing a press conference along with V M Singh, convenor of the Rashtriya Kisan Mazdoor Sangathan (RKMS), Mr Singh said the committee's recommendation on doing away with State Advisory Price (SAP) and cane reservation area will adversely affect the farmers of northern states.