Ujjain : According to Indian astronomers, the Tropic of Cancer is supposed to pass through Ujjain

 

 Consider the following :

 1)Ujjain enjoyed a position of considerable importance in the field of astronomy, Great works on astronomy such as the Surya Siddhanta and the Panch Siddhanta were written in Ujjain. 

According to Indian astronomers, the Tropic of Cancer is supposed to pass through Ujjain It is also the first meridian of longitude of the Hindu geographers. From about the 4th century B.C. Ujjain enjoyed the reputation of being India’s Greenwich.

2)The observatory was constructed by Maharaja Sawai Raja Jaisingh of Jaipur in 1719 when he was in Ujjain as the Governor of Malwa under the reign of king Muhammad Shah of Delhi. Besides being a brave fighter and a politician, Raja Jaisingh was exceptionally a scholar. He studied books on Astormathematics available in the Persian and Arabic languages at that time. 

3)He wrote books on astronomy himself.  Miraza Ulook Beg, the grandson of Temurlung and an expert on astronomy, built an observatory in Samarkund

4)Raja Jaisingh constructed observatories in Ujjain, Jaipur, Delhi, Mathura and Varanasi in India by permission of king Muhammad Shah.

 Raja Jaisingh set up new instruments in these observatories employing his skills. He made alterations in a number of main Astro-mathematical instruments by observing the activities of planets himself for eight years in Ujjain. 

Which of the statements given above is / are correct ? 

(a)1 only 

(b) 2 only 

(c) Both 1 and 2

 (d) None of these 

Ans: c