What would be the treatment of 𝐭𝐚𝐱𝐞𝐬 𝐩𝐚𝐢𝐝 𝐢𝐧 𝐟𝐨𝐫𝐞𝐢𝐠𝐧 𝐜𝐨𝐮𝐧𝐭𝐫𝐢𝐞𝐬 𝐟𝐨𝐫 𝐰𝐡𝐢𝐜𝐡 𝐜𝐫𝐞𝐝𝐢𝐭 𝐢𝐬 𝐧𝐨𝐭 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐢𝐧 𝐈𝐧𝐝𝐢𝐚?

Indian Income Tax Act does not allow refund in such cases but based on various judgments 𝐭𝐡𝐞 𝐩𝐨𝐫𝐭𝐢𝐨𝐧 𝐨𝐟 𝐭𝐚𝐱 𝐟𝐨𝐫 𝐰𝐡𝐢𝐜𝐡 𝐜𝐫𝐞𝐝𝐢𝐭 𝐢𝐬 𝐧𝐨𝐭 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐜𝐚𝐧 𝐛𝐞 𝐜𝐥𝐚𝐢𝐦𝐞𝐝 𝐚𝐬 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐝𝐞𝐝𝐮𝐜𝐭𝐢𝐨𝐧. For example, tax paid in say UK is Rs.1000/- whereas credit is only available for Rs.600/-, in this case Rs.400/- can be claimed as business deduction.
Various judgments in support of this view:
𝑉𝑖𝑟𝑚𝑎𝑡𝑖 𝑆𝑜𝑓𝑡𝑤𝑎𝑟𝑒 𝑎𝑛𝑑 𝑇𝑒𝑙𝑒𝑐𝑜𝑚𝑚𝑢𝑛𝑖𝑐𝑎𝑡𝑖𝑜𝑛 𝐿𝑡𝑑. 𝑣𝑠. 𝐷𝐶𝐼𝑇 [𝐼𝑇𝐴 𝑁𝑜.1826/𝐴𝐻𝐷/2019]
𝐵𝑎𝑛𝑘 𝑜𝑓 𝐼𝑛𝑑𝑖𝑎 𝑣𝑠 𝐴𝐶𝐼𝑇 [𝐼𝑇𝐴 𝑁𝑜.869/𝑀𝑢𝑚/2018]
𝑅𝑒𝑙𝑖𝑎𝑛𝑐𝑒 𝐼𝑛𝑓𝑟𝑎𝑠𝑡𝑟𝑢𝑐𝑡𝑢𝑟𝑒 𝐿𝑡𝑑. 𝑣𝑠. 𝐶𝐼𝑇 [𝐼𝑇𝑅 75 𝑜𝑓 1998, 𝐵𝑜𝑚𝑏𝑎𝑦 𝐻𝐶]