Akkineni Naga Chaitanya is all set to mark his Bollywood debut with Aamir Khan starrer, 'Lal Singh Chaddha'. The actor was supposed to join the film's shoot in Ladakh by this month-end. But, the ongoing reports in the media confirm that the film's shoot has been kept on hold. The reason for the change in plans is not known yet. On the other hand, Naga Chaitanya is awaiting the release of his upcoming movie 'Love Story' under the direction of Sekhar Kammula. Chay is also busy with the shoot of 'Thank You', under Vikram K Kumar's direction.