What is the local time difference between Dwarka in Gujarat to Dibrughar in Assam?

The correct answer is 1 hour 45 minutes There is a time lag of two hours from Gujarat to Assam because of the longitudinal extent of India. Gujarat is situated in the extreme west of India while Assam located in the north-eastern part. The Sun rises almost two hours earlier in Assam than in Gujarat. India lying entirely in the Northern hemisphere the mainland extends between latitudes 8°4'N and 37°6'N and longitudes 68°7'E and 97°25'E . The Westernmost point of India is 68°7'E, known as Ghuar Mati, Gujarat Location of Dwarka , Gujarat , India ( N 22° 14' 36.0132", E 68° 58' 7.6908") on the map Coordinates of Dibrugarh: 27° 28' 22.2024'' N, 94° 54' 43.0704'' E The difference between the two points is almost 26°2'. Difference of time, 1 ° longitudinal difference = 4 mins time lag 30° longitudinal difference brings 26*4 = 104 mins difference in time 104 mins or 1 hour 44 mins hours time-lag between Gujrat and Assam found. So it is clear that 1 hour 45 minutes is the local time difference between Dwarka in Gujarat to Dibrugarh in Assam Hence, option 1 is the correct answer.