Prime Minister Manmohan Singh today said India and Pakistan should be able to agree on a treaty of peace, security and friendship."I earnestly hope that relations between our countries become so friendly that we can generate an atmosphere of trust between each other and that the two nations are able to agree on a treaty of peace, security and friendship," Singh said.The Prime Minister was addressing the 79th annual general meeting of Ficci.He also indicated withdrawal of tax exemptions to prevent misuse. "In the long run, our tax regime should not have too many exemptions, which makes tax administration an unnecessarily complex exercise, vulnerable to misuse," Singh said.He said Indian business must also be prepared for a more fast track economic integration in South Asia.