Mumbai, April 15 -- With subtle performances and two hits in a row, she is currently enjoying a great run at the box office with a promising future. But now, Kriti Sanon seems set to time travel into the past with back-toback 'period' films. While Panipat (based around the third battle of Panipat that took place in 1761) is her "first proper period" film, Housefull 4 also has a 'past' angle to it....