IIM

No 12th after graduation will not considered in admission in IIM-A, B& C. The eligibility criteria is given below. Eligibility : The candidate must hold a Bachelor's degree, with at least 50% marks or equivalent CGPA (in case of the candidate belonging to Scheduled Caste (SC)/Scheduled Tribe (ST)/Persons with Disabilities (PwD) category, this is relaxed to 45%), of any of the universities incorporated by an act of the central or state legislature in India or other educational institutions established by an act of Parliament or declared to be deemed as a university under section 3 of UGC Act, 1956, or possess an equivalent qualification recognised by the Ministry of HRD, Government of India. The Bachelor's degree or equivalent qualification obtained by the candidate must entail a minimum of three years of education after completing higher secondary schooling (10+2) or equivalent.

Dear Lovepreet, I haven't any idea about BHMCT at IIMS and AIHMCT but being alumni of LPU, I can answer this question for LPU. One of my friend's brother is also studying there in Bachelor of Hotel Management and Catering Technology BHMCT )
Let me share few points about the Hotel Management programme at LPU :
Curriculum: High academic standards are maintained by offering the curriculum framed in consultation with industry experts. Student exposure: Being a part of a resource-rich University, the students have an advantage of interdisciplinary exposure which is not possible in standalone colleges. University-Hotel: The School also trains its students in the campus hotel named UniHotel of 25 rooms hosting national and international guests where students practice along with the staff. Infrastructure: The School has five modern kitchens with two bakeries. All kitchen and bakery are equipped to enable a student to perform scientifically and to attain their best of learning through most modern gazettes. We have few training restaurants to teach a student about the authentic serving style of food and beverage. We are equipped with one front office laboratory, two housekeeping laboratories, two computer laboratories with 60 computers, and a simulation laboratory for aviation. Placement: 100% placements record with minimum 10% students selected as Management Trainee (Junior Executive level) till date and the placement is with brands like Cox & Kings, Carnival Cruise, JET Airways, Oberoi, Taj, Leela, etc. Package: Six students were offered the package of Rs 8 Lacs by Carnival Cruise in last years. Internship: Industry internships in top national and international five-star hotel brands like The Leela Palace, ITC, Taj, Oberoi, The Grand, Marriott, etc. Intellectual Strength: Faculty members with a holistic blend of academic & industrial exposure. Immersive Mentor-ship Model: Experienced faculty members of the discipline nominated as mentors to eligible students. I hope this helps
Thanks.