Explain the following statements with reasons:

Hari Singh signed the Instrument of Accession with India.

and Kashmir was a princely state in India ruled by the Dogra Dynasty. After the independence of the country in 1947, the British government gave freedom to the princely states to either join India or Pakistan or to remain independent. Maharaja Hari Singh, the ruler of Kashmir, remained independent and neutral between both India and Pakistan. Even though Pakistan accepted the Standstill Agreement from Kashmir, they started to impose economic barriers on the supply of commodities to Kashmir. Pakistan also stated to mobilize their army and launched a full-fledged assault with the aid of local tribes. Then the Maharaja approached India for military aid. India agreed to assist them subject to the condition that Kashmir should accede to India. The Maharaja accepted the conditions and signed the Instrument of Accession on 27 October 1947 and Kashmir was integrated with India.