Raam Laxmi guest house - 044 25615980
Al salama guest house - 044 43329512
Hotel shriram - 044 25611045
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Hotel Bharat - 044 25611669
Hotel Pandian - 9841421207 - slightly costly but one of the best in this area.
Hotel Castle - 044 25612811
Palace lodge and hotel - 9884045618
Hotel Aum Karthikeya - 044 42601436
The Hydel park - 9176903442
Hotel Aditya - 9176465559 - their site mentions Rs 644 for Nov 26-27.
Check any of the above or can book through online for other hotels or through apps that facilitate reservation in hotels with discount. Most of these hotels are located between central and egmore and is easily reachable from egmore.