diff --git a/x/farming/keeper/proposal_handler.go b/x/farming/keeper/proposal_handler.go
index 65e6ccd0..86bfdb9e 100644
--- a/x/farming/keeper/proposal_handler.go
+++ b/x/farming/keeper/proposal_handler.go
@@ -37,6 +37,10 @@ func HandlePublicPlanProposal(ctx sdk.Context, k Keeper, proposal *types.PublicP
 // AddPublicPlanProposal adds a new public plan once the governance proposal is passed.
 func (k Keeper) AddPublicPlanProposal(ctx sdk.Context, proposals []*types.AddRequestProposal) error {
 	for _, p := range proposals {
+		if err := p.Validate(); err != nil {
+			return err
+		}
+
 		farmingPoolAddrAcc, err := sdk.AccAddressFromBech32(p.GetFarmingPoolAddress())
 		if err != nil {
 			return err
@@ -86,6 +90,10 @@ func (k Keeper) AddPublicPlanProposal(ctx sdk.Context, proposals []*types.AddReq
 // UpdatePublicPlanProposal overwrites the plan with the new plan proposal once the governance proposal is passed.
 func (k Keeper) UpdatePublicPlanProposal(ctx sdk.Context, proposals []*types.UpdateRequestProposal) error {
 	for _, proposal := range proposals {
+		if err := proposal.Validate(); err != nil {
+			return err
+		}
+
 		plan, found := k.GetPlan(ctx, proposal.GetPlanId())
 		if !found {
 			return sdkerrors.Wrapf(sdkerrors.ErrNotFound, "plan %d is not found", proposal.GetPlanId())
@@ -161,6 +169,10 @@ func (k Keeper) UpdatePublicPlanProposal(ctx sdk.Context, proposals []*types.Upd
 // DeletePublicPlanProposal delets public plan proposal once the governance proposal is passed.
 func (k Keeper) DeletePublicPlanProposal(ctx sdk.Context, proposals []*types.DeleteRequestProposal) error {
 	for _, p := range proposals {
+		if err := p.Validate(); err != nil {
+			return err
+		}
+
 		plan, found := k.GetPlan(ctx, p.GetPlanId())
 		if !found {
 			return sdkerrors.Wrapf(sdkerrors.ErrNotFound, "plan %d is not found", p.GetPlanId())
diff --git a/x/farming/types/plan.go b/x/farming/types/plan.go
index 19938e54..90c57f0a 100644
--- a/x/farming/types/plan.go
+++ b/x/farming/types/plan.go
@@ -130,7 +130,7 @@ func (plan BasePlan) Validate() error {
 		return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid termination address %q: %v", plan.TerminationAddress, err)
 	}
 	if len(plan.Name) > MaxNameLength {
-		return sdkerrors.Wrapf(ErrInvalidNameLength, "plan name is longer than max length of %d", MaxNameLength)
+		return sdkerrors.Wrapf(ErrInvalidNameLength, "plan name cannot be longer than max length of %d", MaxNameLength)
 	}
 	if err := plan.StakingCoinWeights.Validate(); err != nil {
 		return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid staking coin weights: %v", err)
diff --git a/x/farming/types/proposal.go b/x/farming/types/proposal.go
index 9c4d37e9..142818b2 100644
--- a/x/farming/types/proposal.go
+++ b/x/farming/types/proposal.go
@@ -3,6 +3,7 @@ package types
 import (
 	"fmt"
 
+	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	gov "github.com/cosmos/cosmos-sdk/x/gov/types"
 )
@@ -54,3 +55,57 @@ func (p PublicPlanProposal) String() string {
   DeleteRequestProposals: %s
 `, p.Title, p.Description, p.AddRequestProposals, p.UpdateRequestProposals, p.DeleteRequestProposals)
 }
+
+func (p *AddRequestProposal) Validate() error {
+	if len(p.Name) > MaxNameLength {
+		return sdkerrors.Wrapf(ErrInvalidNameLength, "plan name cannot be longer than max length of %d", MaxNameLength)
+	}
+	if _, err := sdk.AccAddressFromBech32(p.FarmingPoolAddress); err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid farming pool address %q: %v", p.FarmingPoolAddress, err)
+	}
+	if _, err := sdk.AccAddressFromBech32(p.TerminationAddress); err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid termination address %q: %v", p.TerminationAddress, err)
+	}
+	if err := p.StakingCoinWeights.Validate(); err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid staking coin weights: %v", err)
+	}
+	if !p.EndTime.After(p.StartTime) {
+		return sdkerrors.Wrapf(ErrInvalidPlanEndTime, "end time %s must be greater than start time %s", p.EndTime, p.StartTime)
+	}
+	if !p.EpochAmount.Empty() && !p.EpochRatio.IsZero() {
+		return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "epoch amount or epoch ratio must be provided")
+	}
+	return nil
+}
+
+func (p *UpdateRequestProposal) Validate() error {
+	if p.PlanId == 0 {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid plan id: %d", p.PlanId)
+	}
+	if len(p.Name) > MaxNameLength {
+		return sdkerrors.Wrapf(ErrInvalidNameLength, "plan name cannot be longer than max length of %d", MaxNameLength)
+	}
+	if _, err := sdk.AccAddressFromBech32(p.FarmingPoolAddress); err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid farming pool address %q: %v", p.FarmingPoolAddress, err)
+	}
+	if _, err := sdk.AccAddressFromBech32(p.TerminationAddress); err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid termination address %q: %v", p.TerminationAddress, err)
+	}
+	if err := p.StakingCoinWeights.Validate(); err != nil {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid staking coin weights: %v", err)
+	}
+	if !p.EndTime.After(p.StartTime) {
+		return sdkerrors.Wrapf(ErrInvalidPlanEndTime, "end time %s must be greater than start time %s", p.EndTime, p.StartTime)
+	}
+	if !p.EpochAmount.Empty() && !p.EpochRatio.IsZero() {
+		return sdkerrors.Wrap(sdkerrors.ErrInvalidRequest, "epoch amount or epoch ratio must be provided")
+	}
+	return nil
+}
+
+func (p *DeleteRequestProposal) Validate() error {
+	if p.PlanId == 0 {
+		return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid plan id: %d", p.PlanId)
+	}
+	return nil
+}