My grandson is 3 years and 9 months old. While he utters few words he is yet to speak joining words together. He hears well understands active recognises colours items and very friendly. He toe walks. His delayed speech causes concern. Neurosurgeon says he would speak but late. BERA tests and others show he is normal. We put him in play school. He enjoyed. What can we possibly do to help him? We are in Bangalore.