The Union Budget of India, also referred to as the Annual Financial Statement in the Article 112 of the Constitution of India, is the annual budget of the Republic of India.

Statement 1 is correct while statement 2 is incorrect.
The Central Board of Excise and Custom renamed as Central Board of Indirect taxes and Customs (CBIC) is the nodal national agency responsible for administering Customs, GST, Central Excise, Service Tax & Narcotics in India.
CBIC comes under the Department of Revenue, Ministry of Finance.

Both the statements are correct.
Marginal Standing Facility (MSF) refers to the penal rate at which banks can borrow money from the central bank over and above what is available to them through the LAF window.
MSF, being a penal rate, is always fixed above the repo rate.
The scheme was introduced by RBI with the main aim of reducing volatility in the overnight lending rates in the inter-bank market and to enable smooth monetary transmission in the financial system.

Investment expenditure refers to the expenditure incurred either by an individual or a firm or the government for the creation of new capital assets like machinery, building etc. The relationship between interest rate and investment expenditure is illustrated by the investment curve of the economy. The curve has downward slope, indicating that a drop in interest rate, causes the investment-spending to rise.

Both the statements are correct.
6th schedule deals with the administration of the tribal areas in the four northeastern states of Assam, Meghalaya, Tripura and Mizoram.
The governor is empowered to organise and re-organise the autonomous districts. The governor can appoint a commission to examine and report on any matter relating to the administration of the autonomous districts or regions. He may dissolve a district or regional council on the recommendation of the commission.