Explanation:

‘the capital of delhi’ is coded as ‘jai veru miti viki’……1)
‘many festival in delhi’ is coded as ‘vik, nic,dic,vij’ ……2)
‘crowd in the capital’ is coded as ‘dic, veru, miti, sik’……3)
‘season for festival’ is coded as ‘nis, tip,vij’……5)
‘delhi for country’ is coded as ‘vik, noo, tif’………6)
From 1) and 2) delhi- viki
From 2) and 5) festival- vij
From 2) and 6) for- tif
From 2) and 6) country- noo
From 2) and 6) season- nis
From 2) and 3) in- dic
From 2), 3) and 5) many- nic
From 2), 3) and 5) crowd- sik
From 1), 2), 3), 4) and 5) the- either ‘veru’ or ‘miti’
From 1), 2), 3), 4) and 5) capital- either ‘veru’ or ‘miti’
Code of ‘festival in india’ is ‘vij, dic, zee’
india is new word in question so the code
for it also new one. So answer is 4).