GST - Place of Business - Guest House - Goods and Services Tax - GST

Assessee ABC ltd has GST registration in 2 states i.e. Maharashtra Karnataka respectively. Earlier, the employees as well as foreign personnel of parent entity of the ABC Ltd used to stay in the Hotels of the Karnataka state for the business purpose. But since the Hotel Expenses started increasing, the management of ABC Ltd decided to take the Guest House on yearly rent Basis in Karnataka. The Question is whether ABC LTD can take GST Credit of same like of Hotel? Also whether is mandatory to add this guest house as additional place of Business. The Guesthouse is used for meetings, stay purpose etc. for furtherance of Business.