Combine the strawberries and sugar in a bowl and mash gently using the back of a spoon. Keep aside.
Combine the paneer, 1 tbsp of milk, strawberry crush and sugar and blend in a mixer to a smooth.
Combine the agar-agar, remaining milk and ¼ cup water in a deep pan and bring to boil, while stirring continuously.
Remove from the flame and strain the mixture using a sieve.
Transfer the mixture into a bowl and place the bowl in a deep vessel filled with ice-cubes for 8 to 10 minutes or until the mixture cools and thickens. Whisk the mixture vigorously and continuously till it is in ice-cube vessel to avoid any lump formation.
Add the paneer-strawberry puree, mashed strawberries and lemon juice and mix well.
Add the whipped cream and fold gently.
Pour equal quantities of the mixture into 4 individual bowls / glasses and refrigerate for 2 to 3 hours or till the mousse sets.