I have set aside 1 year of emergency fund. Other than that, is there anything else that I need to set aside for before taking it to invest?

Besides setting aside the emergency fund (1 years worth is quite gd and safe), also make sure to

1)Pay off any high interest debt first e.g credit cards
2) Not invest money needed in the near future into risky assets like stocks e.g. down payment for a house, budget for car, marriage etc (move into fixed deposits, bonds, high yield savings)
3)Monthly expenses can be covered e.g. bills/insurance

U could either set aside some money on top of emergency fund to handle monthly expenses and for extra liquidity or possibly even use some of the fund to cover, though usually not recommended as emergency fund is meant for emergencies

How much to set aside depends on yr risk tolerance and needs, one can never be too safe, but then too much set aside will incur opportunity costs of growing