MUMBAI: Morgan Stanley expects the benchmark Sensex to cross the 1 lakh-mark by 2028, making it one of the the top five equity markets in the world with a market capitalisation of $6.1 trillion.“We think India ’s stock market could be among the world’s best performers in the next ten years, leading to India’s market cap rising from $2 trillion to $6 trillion.""We see the BSE Sensex crossing the 100,000 mark, albeit the bulk of the returns are likely to be front ended in the coming five years,” said Morgan Stanley in a note on Wednesday.The firm also expects India to become the world’s third largest economy in the world with a GDP of $6 trillion, helped by digitisation. The firm said that digitisation will provide a boost of 50 to 75 basis points to GDP growth.Morgan Stanley expects India’s real and nominal GDP growth to compound annually by 7.1 per cent and 11.2 per cent respectively over the next 10 years. It said that a stronger Gross Domestic Product Growth will lead to a stronger equity market performance.A strong nominal GDP growth along with rising ratio of credit to GDP bodes well for corporate earnings, the report said. Morgan Stanley expects equity market multiples to expend driven by strong participation by domestic investors and declining ratio of public debt to GDP.