Lufthansa — no check-in bag on my ticket

Address:

374 VILLAGE CHATTERPUR DELHI Chatterpur Saket South Delhi India 110074, New Delhi, Delhi, 110074

I karanjeet singh dhami book my ticket from delhi - munich - delhi @ rs 49, 455/-,
But i pay rs 7794/- at delhi airport for my check-in bag. I pay rs 49, 455/- for 7kg hand bag only and they told me when you will back u have to pay this amount again.

Than why we book lafhtansha airlines only for handbags.

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