AGARTALA, March 5 (TIWN): All the seized documents including received vouchers during the raid conducted by the Central Bureau of Investigation (CBI) officials at head office of chit Fund Company Rose Valley here in the state on Wednesday has already been sent to Delhi for further investigation. According to a highly placed source, during the raid here in Tripura the Central Bureau of Investigation (CBI) issued a notice to a section of MLA s regarding the Rose Valley chit fund issue. According to sources, in the upcoming days the Central Bureau of Investigation (CBI) officials will conduct a series of raids in houses of the agents of chit Fund Company Rose Valley.It is to be mentioned here that after the raid conducted by Central Bureau of Investigation (CBI) officials yesterday a section of CPI (M) leaders and Ministers are remained out of sleep due to their alleged involvement with the chit Fund Company Rose Valley.