Sunday means family time and this Sunday is going to be more special for them with Natural Star Nani offering a small treat by releasing a teaser of his Pan India film Hi Nanna where we witness a tide of emotions. Starts as a father-daughter story with a beautiful journey between Nani and Baby Kiara Khanna, it then follows the love journey of Nani and Mrunal Thakur. Is she, his daughter? Did Nani meet Mrunal before? Why did Mrunal propose to Nani just before her wedding with someone else? You…